76256789 has 8 divisors (see below), whose sum is σ = 88929600. Its totient is φ = 65362668.

The previous prime is 76256777. The next prime is 76256801. The reversal of 76256789 is 98765267.

It is an interprime number because it is at equal distance from previous prime (76256777) and next prime (76256801).

It is not a de Polignac number, because 76256789 - 2²⁴ = 59479573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76256729) 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, 110819 + ... + 111504.

It is an arithmetic number, because the mean of its divisors is an integer number (11116200).

Almost surely, 2^76256789 is an apocalyptic number.

It is an amenable number.

76256789 is a deficient number, since it is larger than the sum of its proper divisors (12672811).

76256789 is an equidigital number, since it uses as much as digits as its factorization.

76256789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222344 (or 222330 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 50.

The square root of 76256789 is about 8732.5133266431. The cubic root of 76256789 is about 424.0588891891.

The spelling of 76256789 in words is "seventy-six million, two hundred fifty-six thousand, seven hundred eighty-nine".