87507726722 has 32 divisors (see below), whose sum is σ = 149344473600. Its totient is φ = 38165779008.

The previous prime is 87507726721. The next prime is 87507726743. The reversal of 87507726722 is 22762770578.

It is not an unprimeable number, because it can be changed into a prime (87507726721) 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, 1199222 + ... + 1270097.

It is an arithmetic number, because the mean of its divisors is an integer number (4667014800).

Almost surely, 2^87507726722 is an apocalyptic number.

87507726722 is a deficient number, since it is larger than the sum of its proper divisors (61836746878).

87507726722 is a wasteful number, since it uses less digits than its factorization.

87507726722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2469410.

The product of its (nonzero) digits is 4609920, while the sum is 53.

The spelling of 87507726722 in words is "eighty-seven billion, five hundred seven million, seven hundred twenty-six thousand, seven hundred twenty-two".