85766548536 has 48 divisors (see below), whose sum is σ = 239777453760. Its totient is φ = 27666627840.

The previous prime is 85766548499. The next prime is 85766548541. The reversal of 85766548536 is 63584566758.

85766548536 is a `hidden beast` number, since 8 + 57 + 6 + 6 + 5 + 48 + 536 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19210705 + ... + 19215168.

It is an arithmetic number, because the mean of its divisors is an integer number (4995363620).

Almost surely, 2^85766548536 is an apocalyptic number.

It is an amenable number.

85766548536 is an abundant number, since it is smaller than the sum of its proper divisors (154010905224).

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

85766548536 is a wasteful number, since it uses less digits than its factorization.

85766548536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38425916 (or 38425909 counting only the distinct ones).

The product of its digits is 145152000, while the sum is 63.

The spelling of 85766548536 in words is "eighty-five billion, seven hundred sixty-six million, five hundred forty-eight thousand, five hundred thirty-six".