76889457 has 12 divisors (see below), whose sum is σ = 112401744. Its totient is φ = 50641560.

The previous prime is 76889443. The next prime is 76889459. The reversal of 76889457 is 75498867.

It is a de Polignac number, because none of the positive numbers 2^k-76889457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (76889459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50719 + ... + 52212.

It is an arithmetic number, because the mean of its divisors is an integer number (9366812).

Almost surely, 2^76889457 is an apocalyptic number.

It is an amenable number.

76889457 is a deficient number, since it is larger than the sum of its proper divisors (35512287).

76889457 is a wasteful number, since it uses less digits than its factorization.

76889457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103020 (or 103017 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 54.

The square root of 76889457 is about 8768.6633531001. The cubic root of 76889457 is about 425.2284022596.

The spelling of 76889457 in words is "seventy-six million, eight hundred eighty-nine thousand, four hundred fifty-seven".