764228127 has 16 divisors (see below), whose sum is σ = 1155109760. Its totient is φ = 445541472.

The previous prime is 764228123. The next prime is 764228141. The reversal of 764228127 is 721822467.

It is not a de Polignac number, because 764228127 - 2² = 764228123 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (764228123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 514933 + ... + 516414.

It is an arithmetic number, because the mean of its divisors is an integer number (72194360).

Almost surely, 2^764228127 is an apocalyptic number.

764228127 is a deficient number, since it is larger than the sum of its proper divisors (390881633).

764228127 is a wasteful number, since it uses less digits than its factorization.

764228127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031382.

The product of its digits is 75264, while the sum is 39.

The square root of 764228127 is about 27644.6762867645. The cubic root of 764228127 is about 914.2697257725.

The spelling of 764228127 in words is "seven hundred sixty-four million, two hundred twenty-eight thousand, one hundred twenty-seven".