87015058989 has 16 divisors (see below), whose sum is σ = 118728681984. Its totient is φ = 56655975600.

The previous prime is 87015058967. The next prime is 87015059009. The reversal of 87015058989 is 98985051078.

It is not a de Polignac number, because 87015058989 - 2⁷ = 87015058861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87015058939) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1947874 + ... + 1992044.

It is an arithmetic number, because the mean of its divisors is an integer number (7420542624).

Almost surely, 2^87015058989 is an apocalyptic number.

It is an amenable number.

87015058989 is a deficient number, since it is larger than the sum of its proper divisors (31713622995).

87015058989 is a wasteful number, since it uses less digits than its factorization.

87015058989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59488.

The product of its (nonzero) digits is 7257600, while the sum is 60.

The spelling of 87015058989 in words is "eighty-seven billion, fifteen million, fifty-eight thousand, nine hundred eighty-nine".