87723179038 has 16 divisors (see below), whose sum is σ = 143551568880. Its totient is φ = 39872908800.

The previous prime is 87723179023. The next prime is 87723179041. The reversal of 87723179038 is 83097132778.

It is a happy number.

It is a super-2 number, since 2×87723179038² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 87723179038.

It is a congruent number.

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, 1315198 + ... + 1380286.

It is an arithmetic number, because the mean of its divisors is an integer number (8971973055).

Almost surely, 2^87723179038 is an apocalyptic number.

87723179038 is a deficient number, since it is larger than the sum of its proper divisors (55828389842).

87723179038 is a wasteful number, since it uses less digits than its factorization.

87723179038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126363.

The product of its (nonzero) digits is 3556224, while the sum is 55.

The spelling of 87723179038 in words is "eighty-seven billion, seven hundred twenty-three million, one hundred seventy-nine thousand, thirty-eight".