87656072701012 has 12 divisors (see below), whose sum is σ = 153398325885280. Its totient is φ = 43827979590936.

The previous prime is 87656072700979. The next prime is 87656072701013. The reversal of 87656072701012 is 21010727065678.

It is a super-2 number, since 2×87656072701012² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87656072701013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10615062 + ... + 16970317.

Almost surely, 2^{87656072701012} is an apocalyptic number.

It is an amenable number.

87656072701012 is a deficient number, since it is larger than the sum of its proper divisors (65742253184268).

87656072701012 is a wasteful number, since it uses less digits than its factorization.

87656072701012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28379790 (or 28379788 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 52.

The spelling of 87656072701012 in words is "eighty-seven trillion, six hundred fifty-six billion, seventy-two million, seven hundred one thousand, twelve".