87437726312 has 32 divisors (see below), whose sum is σ = 166902016320. Its totient is φ = 42935316480.

The previous prime is 87437726309. The next prime is 87437726333. The reversal of 87437726312 is 21362773478.

It is a super-2 number, since 2×87437726312² (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, 153518 + ... + 445469.

It is an arithmetic number, because the mean of its divisors is an integer number (5215688010).

Almost surely, 2^87437726312 is an apocalyptic number.

It is an amenable number.

87437726312 is a deficient number, since it is larger than the sum of its proper divisors (79464290008).

87437726312 is a wasteful number, since it uses less digits than its factorization.

87437726312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599321 (or 599317 counting only the distinct ones).

The product of its digits is 2370816, while the sum is 50.

The spelling of 87437726312 in words is "eighty-seven billion, four hundred thirty-seven million, seven hundred twenty-six thousand, three hundred twelve".