90958339697895 has 12 divisors (see below), whose sum is σ = 157661122143096. Its totient is φ = 48511114505520.

The previous prime is 90958339697791. The next prime is 90958339697933. The reversal of 90958339697895 is 59879693385909.

90958339697895 is a `hidden beast` number, since 9 + 0 + 9 + 58 + 3 + 396 + 97 + 89 + 5 = 666.

It is not a de Polignac number, because 90958339697895 - 2⁷ = 90958339697767 is a prime.

It is a super-2 number, since 2×90958339697895² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1010648218821 + ... + 1010648218910.

It is an arithmetic number, because the mean of its divisors is an integer number (13138426845258).

Almost surely, 2^{90958339697895} is an apocalyptic number.

90958339697895 is a deficient number, since it is larger than the sum of its proper divisors (66702782445201).

90958339697895 is a wasteful number, since it uses less digits than its factorization.

90958339697895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2021296437742 (or 2021296437739 counting only the distinct ones).

The product of its (nonzero) digits is 35712835200, while the sum is 90.

The spelling of 90958339697895 in words is "ninety trillion, nine hundred fifty-eight billion, three hundred thirty-nine million, six hundred ninety-seven thousand, eight hundred ninety-five".