7966858496 has 108 divisors (see below), whose sum is σ = 16836295140. Its totient is φ = 3761725440.

The previous prime is 7966858483. The next prime is 7966858499. The reversal of 7966858496 is 6948586697.

It can be written as a sum of positive squares in 2 ways, for example, as 3913753600 + 4053104896 = 62560^2 + 63664^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7966858499) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12052406 + ... + 12053066.

Almost surely, 2^7966858496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7966858496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8418147570).

7966858496 is an abundant number, since it is smaller than the sum of its proper divisors (8869436644).

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

7966858496 is an equidigital number, since it uses as much as digits as its factorization.

7966858496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812 (or 775 counting only the distinct ones).

The product of its digits is 156764160, while the sum is 68.

The square root of 7966858496 is about 89257.2601864969. The cubic root of 7966858496 is about 1997.2343854508.

The spelling of 7966858496 in words is "seven billion, nine hundred sixty-six million, eight hundred fifty-eight thousand, four hundred ninety-six".