852247680 has 64 divisors (see below), whose sum is σ = 2716545600. Its totient is φ = 227265536.

The previous prime is 852247673. The next prime is 852247687. The reversal of 852247680 is 86742258.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (852247673) and next prime (852247687).

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×852247680² = 1452652216130764800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (852247687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220020 + ... + 223859.

It is an arithmetic number, because the mean of its divisors is an integer number (42446025).

Almost surely, 2^852247680 is an apocalyptic number.

852247680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

852247680 is an abundant number, since it is smaller than the sum of its proper divisors (1864297920).

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

852247680 is a wasteful number, since it uses less digits than its factorization.

852247680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443901 (or 443889 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 852247680 is about 29193.2814188470. The cubic root of 852247680 is about 948.1024653795.

The spelling of 852247680 in words is "eight hundred fifty-two million, two hundred forty-seven thousand, six hundred eighty".