90513261078 has 32 divisors (see below), whose sum is σ = 185829273600. Its totient is φ = 29381092416.

The previous prime is 90513261077. The next prime is 90513261079. The reversal of 90513261078 is 87016231509.

It is an interprime number because it is at equal distance from previous prime (90513261077) and next prime (90513261079).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90513261077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1273318 + ... + 1342521.

It is an arithmetic number, because the mean of its divisors is an integer number (5807164800).

Almost surely, 2^90513261078 is an apocalyptic number.

90513261078 is an abundant number, since it is smaller than the sum of its proper divisors (95316012522).

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

90513261078 is a wasteful number, since it uses less digits than its factorization.

90513261078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2615996.

The product of its (nonzero) digits is 90720, while the sum is 42.

The spelling of 90513261078 in words is "ninety billion, five hundred thirteen million, two hundred sixty-one thousand, seventy-eight".