7698464840 has 64 divisors (see below), whose sum is σ = 19890792000. Its totient is φ = 2652099840.

The previous prime is 7698464827. The next prime is 7698464869. The reversal of 7698464840 is 484648967.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 452075 + ... + 468794.

It is an arithmetic number, because the mean of its divisors is an integer number (310793625).

Almost surely, 2^7698464840 is an apocalyptic number.

It is an amenable number.

7698464840 is an abundant number, since it is smaller than the sum of its proper divisors (12192327160).

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

7698464840 is a wasteful number, since it uses less digits than its factorization.

7698464840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920910 (or 920906 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 56.

The square root of 7698464840 is about 87740.8960519552. The cubic root of 7698464840 is about 1974.5495818446.

The spelling of 7698464840 in words is "seven billion, six hundred ninety-eight million, four hundred sixty-four thousand, eight hundred forty".