90465739927 has 4 divisors (see below), whose sum is σ = 95227094680. Its totient is φ = 85704385176.

The previous prime is 90465739891. The next prime is 90465739979. The reversal of 90465739927 is 72993756409.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 90465739927 - 2¹⁵ = 90465707159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90465739127) 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, 2380677348 + ... + 2380677385.

It is an arithmetic number, because the mean of its divisors is an integer number (23806773670).

Almost surely, 2^90465739927 is an apocalyptic number.

90465739927 is a deficient number, since it is larger than the sum of its proper divisors (4761354753).

90465739927 is a wasteful number, since it uses less digits than its factorization.

90465739927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4761354752.

The product of its (nonzero) digits is 25719120, while the sum is 61.

The spelling of 90465739927 in words is "ninety billion, four hundred sixty-five million, seven hundred thirty-nine thousand, nine hundred twenty-seven".