76856104 has 32 divisors (see below), whose sum is σ = 159392520. Its totient is φ = 34511616.

The previous prime is 76856081. The next prime is 76856111. The reversal of 76856104 is 40165867.

It can be written as a sum of positive squares in 4 ways, for example, as 63968004 + 12888100 = 7998^2 + 3590^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6139 + ... + 13834.

Almost surely, 2^76856104 is an apocalyptic number.

76856104 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

76856104 is an abundant number, since it is smaller than the sum of its proper divisors (82536416).

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

76856104 is a wasteful number, since it uses less digits than its factorization.

76856104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20029 (or 20025 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 76856104 is about 8766.7613176132. The cubic root of 76856104 is about 425.1669083753.

The spelling of 76856104 in words is "seventy-six million, eight hundred fifty-six thousand, one hundred four".