76928205906 has 12 divisors (see below), whose sum is σ = 166677779502. Its totient is φ = 25642735296.

The previous prime is 76928205883. The next prime is 76928205929. The reversal of 76928205906 is 60950282967.

76928205906 is a `hidden beast` number, since 7 + 6 + 9 + 28 + 20 + 590 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (76928205883) and next prime (76928205929).

It can be written as a sum of positive squares in only one way, i.e., 51977160225 + 24951045681 = 227985^2 + 157959^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2136894591 + ... + 2136894626.

Almost surely, 2^76928205906 is an apocalyptic number.

76928205906 is an abundant number, since it is smaller than the sum of its proper divisors (89749573596).

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

76928205906 is a wasteful number, since it uses less digits than its factorization.

76928205906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4273789225 (or 4273789222 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 76928205906 in words is "seventy-six billion, nine hundred twenty-eight million, two hundred five thousand, nine hundred six".