76885830 has 48 divisors (see below), whose sum is σ = 228462624. Its totient is φ = 17573760.

The previous prime is 76885819. The next prime is 76885841. The reversal of 76885830 is 3858867.

76885830 is a `hidden beast` number, since 7 + 68 + 8 + 583 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (76885819) and next prime (76885841).

It is a super-2 number, since 2×76885830² = 11822861709577800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60391 + ... + 61650.

It is an arithmetic number, because the mean of its divisors is an integer number (4759638).

Almost surely, 2^76885830 is an apocalyptic number.

76885830 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

76885830 is an abundant number, since it is smaller than the sum of its proper divisors (151576794).

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

76885830 is a wasteful number, since it uses less digits than its factorization.

76885830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122061 (or 122058 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 76885830 is about 8768.4565346474. The cubic root of 76885830 is about 425.2217159174.

The spelling of 76885830 in words is "seventy-six million, eight hundred eighty-five thousand, eight hundred thirty".