90874329411890 has 32 divisors (see below), whose sum is σ = 164429795166336. Its totient is φ = 36159528453120.

The previous prime is 90874329411493. The next prime is 90874329412297. The reversal of 90874329411890 is 9811492347809.

90874329411890 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a lonely number, since its distance to closest prime (90874329411493) sets a new record.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36569099 + ... + 38974961.

It is an arithmetic number, because the mean of its divisors is an integer number (5138431098948).

Almost surely, 2^{90874329411890} is an apocalyptic number.

90874329411890 is a deficient number, since it is larger than the sum of its proper divisors (73555465754446).

90874329411890 is a wasteful number, since it uses less digits than its factorization.

90874329411890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2425634.

The product of its (nonzero) digits is 31352832, while the sum is 65.

The spelling of 90874329411890 in words is "ninety trillion, eight hundred seventy-four billion, three hundred twenty-nine million, four hundred eleven thousand, eight hundred ninety".