92005287990 has 256 divisors, whose sum is σ = 281140844544. Its totient is φ = 18714009600.

The previous prime is 92005287977. The next prime is 92005288007. The reversal of 92005287990 is 9978250029.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 104432350 + ... + 104433230.

It is an arithmetic number, because the mean of its divisors is an integer number (1098206424).

Almost surely, 2^92005287990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 92005287990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140570422272).

92005287990 is an abundant number, since it is smaller than the sum of its proper divisors (189135556554).

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

92005287990 is a wasteful number, since it uses less digits than its factorization.

92005287990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1815.

The product of its (nonzero) digits is 816480, while the sum is 51.

The spelling of 92005287990 in words is "ninety-two billion, five million, two hundred eighty-seven thousand, nine hundred ninety".