76899868 has 6 divisors (see below), whose sum is σ = 134574776. Its totient is φ = 38449932.

The previous prime is 76899839. The next prime is 76899883. The reversal of 76899868 is 86899867.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9612480 + ... + 9612487.

Almost surely, 2^76899868 is an apocalyptic number.

It is an amenable number.

76899868 is a deficient number, since it is larger than the sum of its proper divisors (57674908).

76899868 is a wasteful number, since it uses less digits than its factorization.

76899868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19224971 (or 19224969 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 61.

The square root of 76899868 is about 8769.2569810674. The cubic root of 76899868 is about 425.2475936775.

Subtracting 76899868 from its reverse (86899867), we obtain a palindrome (9999999).

The spelling of 76899868 in words is "seventy-six million, eight hundred ninety-nine thousand, eight hundred sixty-eight".