90552344977 has 4 divisors (see below), whose sum is σ = 91026441216. Its totient is φ = 90078248740.

The previous prime is 90552344969. The next prime is 90552344999. The reversal of 90552344977 is 77944325509.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 90552344977 - 2³ = 90552344969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90552345977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237047833 + ... + 237048214.

It is an arithmetic number, because the mean of its divisors is an integer number (22756610304).

Almost surely, 2^90552344977 is an apocalyptic number.

It is an amenable number.

90552344977 is a deficient number, since it is larger than the sum of its proper divisors (474096239).

90552344977 is a wasteful number, since it uses less digits than its factorization.

90552344977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474096238.

The product of its (nonzero) digits is 9525600, while the sum is 55.

The spelling of 90552344977 in words is "ninety billion, five hundred fifty-two million, three hundred forty-four thousand, nine hundred seventy-seven".