402893604087 has 24 divisors (see below), whose sum is σ = 582651293184. Its totient is φ = 247525877664.

The previous prime is 402893604049. The next prime is 402893604103. The reversal of 402893604087 is 780406398204.

It is not a de Polignac number, because 402893604087 - 2⁶ = 402893604023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402893602087) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 346833 + ... + 962330.

It is an arithmetic number, because the mean of its divisors is an integer number (24277137216).

Almost surely, 2^402893604087 is an apocalyptic number.

402893604087 is a deficient number, since it is larger than the sum of its proper divisors (179757689097).

402893604087 is a wasteful number, since it uses less digits than its factorization.

402893604087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1309799 (or 1309786 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 51.

The spelling of 402893604087 in words is "four hundred two billion, eight hundred ninety-three million, six hundred four thousand, eighty-seven".