90377304783858 has 96 divisors (see below), whose sum is σ = 209207704492800. Its totient is φ = 28113213176928.

The previous prime is 90377304783643. The next prime is 90377304783869. The reversal of 90377304783858 is 85838740377309.

90377304783858 is a `hidden beast` number, since 9 + 0 + 3 + 7 + 73 + 0 + 478 + 3 + 85 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 862499313 + ... + 862604091.

It is an arithmetic number, because the mean of its divisors is an integer number (2179246921800).

Almost surely, 2^{90377304783858} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90377304783858, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104603852246400).

90377304783858 is an abundant number, since it is smaller than the sum of its proper divisors (118830399708942).

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

90377304783858 is a wasteful number, since it uses less digits than its factorization.

90377304783858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142516 (or 142513 counting only the distinct ones).

The product of its (nonzero) digits is 853493760, while the sum is 72.

The spelling of 90377304783858 in words is "ninety trillion, three hundred seventy-seven billion, three hundred four million, seven hundred eighty-three thousand, eight hundred fifty-eight".