287879559402 has 16 divisors (see below), whose sum is σ = 606062230560. Its totient is φ = 90909334512.

The previous prime is 287879559397. The next prime is 287879559403. The reversal of 287879559402 is 204955978782.

287879559402 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (287879559403) 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, 1262629533 + ... + 1262629760.

It is an arithmetic number, because the mean of its divisors is an integer number (37878889410).

Almost surely, 2^287879559402 is an apocalyptic number.

287879559402 is an abundant number, since it is smaller than the sum of its proper divisors (318182671158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

287879559402 is a wasteful number, since it uses less digits than its factorization.

287879559402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2525259317.

The product of its (nonzero) digits is 101606400, while the sum is 66.

The spelling of 287879559402 in words is "two hundred eighty-seven billion, eight hundred seventy-nine million, five hundred fifty-nine thousand, four hundred two".