85517061377884 has 48 divisors (see below), whose sum is σ = 154591352153056. Its totient is φ = 41361640416000.

The previous prime is 85517061377857. The next prime is 85517061377897. The reversal of 85517061377884 is 48877316071558.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97150534 + ... + 98026834.

Almost surely, 2^{85517061377884} is an apocalyptic number.

It is an amenable number.

85517061377884 is a deficient number, since it is larger than the sum of its proper divisors (69074290775172).

85517061377884 is a wasteful number, since it uses less digits than its factorization.

85517061377884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880166 (or 880164 counting only the distinct ones).

The product of its (nonzero) digits is 316108800, while the sum is 70.

The spelling of 85517061377884 in words is "eighty-five trillion, five hundred seventeen billion, sixty-one million, three hundred seventy-seven thousand, eight hundred eighty-four".