87990499234008 has 96 divisors (see below), whose sum is σ = 273762693453600. Its totient is φ = 25009882804224.

The previous prime is 87990499233991. The next prime is 87990499234031. The reversal of 87990499234008 is 80043299409978.

87990499234008 is a `hidden beast` number, since 8 + 7 + 9 + 90 + 49 + 92 + 3 + 400 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

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 23 ways as a sum of consecutive naturals, for example, 452193723 + ... + 452388266.

It is an arithmetic number, because the mean of its divisors is an integer number (2851694723475).

Almost surely, 2^{87990499234008} is an apocalyptic number.

It is an amenable number.

87990499234008 is an abundant number, since it is smaller than the sum of its proper divisors (185772194219592).

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

87990499234008 is a wasteful number, since it uses less digits than its factorization.

87990499234008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904582201 (or 904582194 counting only the distinct ones).

The product of its (nonzero) digits is 282175488, while the sum is 72.

The spelling of 87990499234008 in words is "eighty-seven trillion, nine hundred ninety billion, four hundred ninety-nine million, two hundred thirty-four thousand, eight".