90981258396 has 96 divisors (see below), whose sum is σ = 257729472000. Its totient is φ = 24400528128.

The previous prime is 90981258391. The next prime is 90981258409. The reversal of 90981258396 is 69385218909.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90981258391) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87531 + ... + 435458.

It is an arithmetic number, because the mean of its divisors is an integer number (2684682000).

Almost surely, 2^90981258396 is an apocalyptic number.

It is an amenable number.

90981258396 is an abundant number, since it is smaller than the sum of its proper divisors (166748213604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90981258396 is a wasteful number, since it uses less digits than its factorization.

90981258396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523131 (or 523129 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 60.

The spelling of 90981258396 in words is "ninety billion, nine hundred eighty-one million, two hundred fifty-eight thousand, three hundred ninety-six".