76885689 has 8 divisors (see below), whose sum is σ = 103509952. Its totient is φ = 50759280.

The previous prime is 76885663. The next prime is 76885693. The reversal of 76885689 is 98658867.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 76885689 - 2¹² = 76881593 is a prime.

It is a super-2 number, since 2×76885689² = 11822818346009442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76885489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124102 + ... + 124719.

It is an arithmetic number, because the mean of its divisors is an integer number (12938744).

Almost surely, 2^76885689 is an apocalyptic number.

It is an amenable number.

76885689 is a deficient number, since it is larger than the sum of its proper divisors (26624263).

76885689 is a wasteful number, since it uses less digits than its factorization.

76885689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248927.

The product of its digits is 5806080, while the sum is 57.

The square root of 76885689 is about 8768.4484944601. The cubic root of 76885689 is about 425.2214559809.

The spelling of 76885689 in words is "seventy-six million, eight hundred eighty-five thousand, six hundred eighty-nine".