87390005498 has 8 divisors (see below), whose sum is σ = 131548207008. Its totient is φ = 43540603164.

The previous prime is 87390005497. The next prime is 87390005513. The reversal of 87390005498 is 89450009378.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (87390005491) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 77199086 + ... + 77200217.

It is an arithmetic number, because the mean of its divisors is an integer number (16443525876).

Almost surely, 2^87390005498 is an apocalyptic number.

87390005498 is a deficient number, since it is larger than the sum of its proper divisors (44158201510).

87390005498 is a wasteful number, since it uses less digits than its factorization.

87390005498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154399588.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The spelling of 87390005498 in words is "eighty-seven billion, three hundred ninety million, five thousand, four hundred ninety-eight".