90859057715602 has 32 divisors (see below), whose sum is σ = 151287743597760. Its totient is φ = 40575597117120.

The previous prime is 90859057715557. The next prime is 90859057715651. The reversal of 90859057715602 is 20651775095809.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18475633 + ... + 22870660.

It is an arithmetic number, because the mean of its divisors is an integer number (4727741987430).

Almost surely, 2^{90859057715602} is an apocalyptic number.

90859057715602 is a deficient number, since it is larger than the sum of its proper divisors (60428685882158).

90859057715602 is a wasteful number, since it uses less digits than its factorization.

90859057715602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41348058.

The product of its (nonzero) digits is 47628000, while the sum is 64.

The spelling of 90859057715602 in words is "ninety trillion, eight hundred fifty-nine billion, fifty-seven million, seven hundred fifteen thousand, six hundred two".