402572826087 has 12 divisors (see below), whose sum is σ = 551662987176. Its totient is φ = 261128316960.

The previous prime is 402572826067. The next prime is 402572826091. The reversal of 402572826087 is 780628275204.

It is not a de Polignac number, because 402572826087 - 2¹⁰ = 402572825063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402572826037) 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, 49006464 + ... + 49014677.

It is an arithmetic number, because the mean of its divisors is an integer number (45971915598).

Almost surely, 2^402572826087 is an apocalyptic number.

402572826087 is a deficient number, since it is larger than the sum of its proper divisors (149090161089).

402572826087 is an equidigital number, since it uses as much as digits as its factorization.

402572826087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98021218 (or 98021181 counting only the distinct ones).

The product of its (nonzero) digits is 3010560, while the sum is 51.

The spelling of 402572826087 in words is "four hundred two billion, five hundred seventy-two million, eight hundred twenty-six thousand, eighty-seven".