8207920460 has 24 divisors (see below), whose sum is σ = 17831000880. Its totient is φ = 3169955264.

The previous prime is 8207920417. The next prime is 8207920463. The reversal of 8207920460 is 640297028.

It is a super-2 number, since 2×8207920460² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8207920463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7075214 + ... + 7076373.

It is an arithmetic number, because the mean of its divisors is an integer number (742958370).

Almost surely, 2^8207920460 is an apocalyptic number.

It is an amenable number.

8207920460 is an abundant number, since it is smaller than the sum of its proper divisors (9623080420).

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

8207920460 is a wasteful number, since it uses less digits than its factorization.

8207920460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14151625 (or 14151623 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 8207920460 is about 90597.5742500869. The cubic root of 8207920460 is about 2017.1787281830.

The spelling of 8207920460 in words is "eight billion, two hundred seven million, nine hundred twenty thousand, four hundred sixty".