90535263435979 has 8 divisors (see below), whose sum is σ = 90686641960512. Its totient is φ = 90383934923520.

The previous prime is 90535263435973. The next prime is 90535263436031. The reversal of 90535263435979 is 97953436253509.

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 90535263435979 - 2²⁷ = 90535129218251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90535263435973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8878579 + ... + 16121404.

It is an arithmetic number, because the mean of its divisors is an integer number (11335830245064).

Almost surely, 2^{90535263435979} is an apocalyptic number.

90535263435979 is a deficient number, since it is larger than the sum of its proper divisors (151378524533).

90535263435979 is a wasteful number, since it uses less digits than its factorization.

90535263435979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25006037.

The product of its (nonzero) digits is 826686000, while the sum is 70.

The spelling of 90535263435979 in words is "ninety trillion, five hundred thirty-five billion, two hundred sixty-three million, four hundred thirty-five thousand, nine hundred seventy-nine".