76805898 has 32 divisors (see below), whose sum is σ = 175162176. Its totient is φ = 22242048.

The previous prime is 76805873. The next prime is 76805903. The reversal of 76805898 is 89850867.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 76805898.

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, 27636 + ... + 30287.

It is an arithmetic number, because the mean of its divisors is an integer number (5473818).

Almost surely, 2^76805898 is an apocalyptic number.

76805898 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

76805898 is an abundant number, since it is smaller than the sum of its proper divisors (98356278).

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

76805898 is a wasteful number, since it uses less digits than its factorization.

76805898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57958.

The product of its (nonzero) digits is 967680, while the sum is 51.

The square root of 76805898 is about 8763.8974206685. The cubic root of 76805898 is about 425.0743085755.

The spelling of 76805898 in words is "seventy-six million, eight hundred five thousand, eight hundred ninety-eight".