76161878 has 48 divisors (see below), whose sum is σ = 131707296. Its totient is φ = 32947200.

The previous prime is 76161829. The next prime is 76161881. The reversal of 76161878 is 87816167.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 754028 + ... + 754128.

It is an arithmetic number, because the mean of its divisors is an integer number (2743902).

Almost surely, 2^76161878 is an apocalyptic number.

76161878 is a deficient number, since it is larger than the sum of its proper divisors (55545418).

76161878 is a wasteful number, since it uses less digits than its factorization.

76161878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249 (or 236 counting only the distinct ones).

The product of its digits is 112896, while the sum is 44.

The square root of 76161878 is about 8727.0772885314. The cubic root of 76161878 is about 423.8828849141.

The spelling of 76161878 in words is "seventy-six million, one hundred sixty-one thousand, eight hundred seventy-eight".