90760434987 has 8 divisors (see below), whose sum is σ = 126275387904. Its totient is φ = 57876219368.

The previous prime is 90760434971. The next prime is 90760434991. The reversal of 90760434987 is 78943406709.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90760434987 - 2⁴ = 90760434971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90760434907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 657684243 + ... + 657684380.

It is an arithmetic number, because the mean of its divisors is an integer number (15784423488).

Almost surely, 2^90760434987 is an apocalyptic number.

90760434987 is a deficient number, since it is larger than the sum of its proper divisors (35514952917).

90760434987 is a wasteful number, since it uses less digits than its factorization.

90760434987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315368649.

The product of its (nonzero) digits is 9144576, while the sum is 57.

The spelling of 90760434987 in words is "ninety billion, seven hundred sixty million, four hundred thirty-four thousand, nine hundred eighty-seven".