76889285 has 16 divisors (see below), whose sum is σ = 101122560. Its totient is φ = 55659840.

The previous prime is 76889279. The next prime is 76889287. The reversal of 76889285 is 58298867.

It is a de Polignac number, because none of the positive numbers 2^k-76889285 is a prime.

It is a super-2 number, since 2×76889285² = 11823924295622450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76889287) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 9131 + ... + 15399.

It is an arithmetic number, because the mean of its divisors is an integer number (6320160).

Almost surely, 2^76889285 is an apocalyptic number.

It is an amenable number.

76889285 is a deficient number, since it is larger than the sum of its proper divisors (24233275).

76889285 is a wasteful number, since it uses less digits than its factorization.

76889285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6508.

The product of its digits is 1935360, while the sum is 53.

The square root of 76889285 is about 8768.6535454424. The cubic root of 76889285 is about 425.2280851839.

The spelling of 76889285 in words is "seventy-six million, eight hundred eighty-nine thousand, two hundred eighty-five".