87503474277 has 12 divisors (see below), whose sum is σ = 127512438924. Its totient is φ = 57819404160.

The previous prime is 87503474153. The next prime is 87503474293. The reversal of 87503474277 is 77247430578.

It can be written as a sum of positive squares in 2 ways, for example, as 1486796481 + 86016677796 = 38559^2 + 293286^2 .

It is not a de Polignac number, because 87503474277 - 2¹¹ = 87503472229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87503474777) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43019374 + ... + 43021407.

It is an arithmetic number, because the mean of its divisors is an integer number (10626036577).

Almost surely, 2^87503474277 is an apocalyptic number.

It is an amenable number.

87503474277 is a deficient number, since it is larger than the sum of its proper divisors (40008964647).

87503474277 is a wasteful number, since it uses less digits than its factorization.

87503474277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86040900 (or 86040897 counting only the distinct ones).

The product of its (nonzero) digits is 9219840, while the sum is 54.

The spelling of 87503474277 in words is "eighty-seven billion, five hundred three million, four hundred seventy-four thousand, two hundred seventy-seven".