90007767666634 has 16 divisors (see below), whose sum is σ = 135193966336800. Its totient is φ = 44943144891120.

The previous prime is 90007767666611. The next prime is 90007767666697. The reversal of 90007767666634 is 43666676770009.

It is a self number, because there is not a number n which added to its sum of digits gives 90007767666634.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2654304 + ... + 13677019.

It is an arithmetic number, because the mean of its divisors is an integer number (8449622896050).

Almost surely, 2^{90007767666634} is an apocalyptic number.

90007767666634 is a deficient number, since it is larger than the sum of its proper divisors (45186198670166).

90007767666634 is a wasteful number, since it uses less digits than its factorization.

90007767666634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16335045.

The product of its (nonzero) digits is 288054144, while the sum is 67.

The spelling of 90007767666634 in words is "ninety trillion, seven billion, seven hundred sixty-seven million, six hundred sixty-six thousand, six hundred thirty-four".