8486257680 has 80 divisors (see below), whose sum is σ = 29230450560. Its totient is φ = 2263001472.

The previous prime is 8486257667. The next prime is 8486257687. The reversal of 8486257680 is 867526848.

8486257680 is a `hidden beast` number, since 8 + 4 + 8 + 62 + 576 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×8486257680² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (8486257687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1962252 + ... + 1966571.

It is an arithmetic number, because the mean of its divisors is an integer number (365380632).

Almost surely, 2^8486257680 is an apocalyptic number.

8486257680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8486257680 is an abundant number, since it is smaller than the sum of its proper divisors (20744192880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8486257680 is a wasteful number, since it uses less digits than its factorization.

8486257680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3928845 (or 3928833 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 54.

The square root of 8486257680 is about 92120.8862310823. The cubic root of 8486257680 is about 2039.7271261313.

The spelling of 8486257680 in words is "eight billion, four hundred eighty-six million, two hundred fifty-seven thousand, six hundred eighty".