87499358577 has 24 divisors (see below), whose sum is σ = 129658340448. Its totient is φ = 56827627200.

The previous prime is 87499358567. The next prime is 87499358669. The reversal of 87499358577 is 77585399478.

87499358577 is a `hidden beast` number, since 8 + 7 + 49 + 9 + 3 + 5 + 8 + 577 = 666.

It is not a de Polignac number, because 87499358577 - 2⁷ = 87499358449 is a prime.

It is a super-2 number, since 2×87499358577² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87499358567) 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 23 ways as a sum of consecutive naturals, for example, 83398 + ... + 426560.

It is an arithmetic number, because the mean of its divisors is an integer number (5402430852).

Almost surely, 2^87499358577 is an apocalyptic number.

It is an amenable number.

87499358577 is a deficient number, since it is larger than the sum of its proper divisors (42158981871).

87499358577 is a wasteful number, since it uses less digits than its factorization.

87499358577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343901 (or 343898 counting only the distinct ones).

The product of its digits is 533433600, while the sum is 72.

The spelling of 87499358577 in words is "eighty-seven billion, four hundred ninety-nine million, three hundred fifty-eight thousand, five hundred seventy-seven".