87068737072 has 40 divisors (see below), whose sum is σ = 186385008096. Its totient is φ = 39192062976.

The previous prime is 87068737069. The next prime is 87068737079. The reversal of 87068737072 is 27073786078.

It is not an unprimeable number, because it can be changed into a prime (87068737079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6952563 + ... + 6965074.

Almost surely, 2^87068737072 is an apocalyptic number.

It is an amenable number.

87068737072 is an abundant number, since it is smaller than the sum of its proper divisors (99316271024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87068737072 is a wasteful number, since it uses less digits than its factorization.

87068737072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13917685 (or 13917679 counting only the distinct ones).

The product of its (nonzero) digits is 5531904, while the sum is 55.

The spelling of 87068737072 in words is "eighty-seven billion, sixty-eight million, seven hundred thirty-seven thousand, seventy-two".