85748701878 has 48 divisors (see below), whose sum is σ = 212358365856. Its totient is φ = 24496369920.

The previous prime is 85748701861. The next prime is 85748701933. The reversal of 85748701878 is 87810784758.

85748701878 is a `hidden beast` number, since 85 + 7 + 487 + 0 + 1 + 8 + 78 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1001268 + ... + 1083528.

It is an arithmetic number, because the mean of its divisors is an integer number (4424132622).

Almost surely, 2^85748701878 is an apocalyptic number.

85748701878 is an abundant number, since it is smaller than the sum of its proper divisors (126609663978).

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

85748701878 is a wasteful number, since it uses less digits than its factorization.

85748701878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90549 (or 90546 counting only the distinct ones).

The product of its (nonzero) digits is 28098560, while the sum is 63.

The spelling of 85748701878 in words is "eighty-five billion, seven hundred forty-eight million, seven hundred one thousand, eight hundred seventy-eight".