76820508 has 48 divisors (see below), whose sum is σ = 201244960. Its totient is φ = 25339392.

The previous prime is 76820453. The next prime is 76820519. The reversal of 76820508 is 80502867.

76820508 is a `hidden beast` number, since 76 + 82 + 0 + 508 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 6810 + ... + 14142.

Almost surely, 2^76820508 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 76820508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100622480).

76820508 is an abundant number, since it is smaller than the sum of its proper divisors (124424452).

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

76820508 is a wasteful number, since it uses less digits than its factorization.

76820508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7443 (or 7435 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 76820508 is about 8764.7309142951. The cubic root of 76820508 is about 425.1012593786.

The spelling of 76820508 in words is "seventy-six million, eight hundred twenty thousand, five hundred eight".