87060973887 has 6 divisors (see below), whose sum is σ = 125754740072. Its totient is φ = 58040649252.

The previous prime is 87060973877. The next prime is 87060973927. The reversal of 87060973887 is 78837906078.

It is not a de Polignac number, because 87060973887 - 2¹⁹ = 87060449599 is a prime.

It is a super-2 number, since 2×87060973887² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87060973817) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4836720763 + ... + 4836720780.

Almost surely, 2^87060973887 is an apocalyptic number.

87060973887 is a deficient number, since it is larger than the sum of its proper divisors (38693766185).

87060973887 is a wasteful number, since it uses less digits than its factorization.

87060973887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9673441549 (or 9673441546 counting only the distinct ones).

The product of its (nonzero) digits is 28449792, while the sum is 63.

The spelling of 87060973887 in words is "eighty-seven billion, sixty million, nine hundred seventy-three thousand, eight hundred eighty-seven".