87992777452 has 24 divisors (see below), whose sum is σ = 161953852032. Its totient is φ = 41773804800.

The previous prime is 87992777443. The next prime is 87992777471. The reversal of 87992777452 is 25477729978.

It is a super-2 number, since 2×87992777452² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6687949 + ... + 6701092.

It is an arithmetic number, because the mean of its divisors is an integer number (6748077168).

Almost surely, 2^87992777452 is an apocalyptic number.

It is an amenable number.

87992777452 is a deficient number, since it is larger than the sum of its proper divisors (73961074580).

87992777452 is a wasteful number, since it uses less digits than its factorization.

87992777452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13389129 (or 13389127 counting only the distinct ones).

The product of its digits is 124467840, while the sum is 67.

The spelling of 87992777452 in words is "eighty-seven billion, nine hundred ninety-two million, seven hundred seventy-seven thousand, four hundred fifty-two".