90987669124 has 12 divisors (see below), whose sum is σ = 173703732048. Its totient is φ = 41358031400.

The previous prime is 90987669083. The next prime is 90987669169. The reversal of 90987669124 is 42196678909.

It is a super-3 number, since 3×90987669124³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1033950742 + ... + 1033950829.

It is an arithmetic number, because the mean of its divisors is an integer number (14475311004).

Almost surely, 2^90987669124 is an apocalyptic number.

It is an amenable number.

90987669124 is a deficient number, since it is larger than the sum of its proper divisors (82716062924).

90987669124 is a wasteful number, since it uses less digits than its factorization.

90987669124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2067901586 (or 2067901584 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 61.

The spelling of 90987669124 in words is "ninety billion, nine hundred eighty-seven million, six hundred sixty-nine thousand, one hundred twenty-four".