85519760436 has 72 divisors (see below), whose sum is σ = 237548735424. Its totient is φ = 25725901440.

The previous prime is 85519760413. The next prime is 85519760479. The reversal of 85519760436 is 63406791558.

85519760436 is a `hidden beast` number, since 85 + 519 + 7 + 6 + 0 + 43 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 733920 + ... + 842423.

It is an arithmetic number, because the mean of its divisors is an integer number (3299287992).

Almost surely, 2^85519760436 is an apocalyptic number.

It is an amenable number.

85519760436 is an abundant number, since it is smaller than the sum of its proper divisors (152028974988).

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

85519760436 is a wasteful number, since it uses less digits than its factorization.

85519760436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1576501 (or 1576496 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 54.

The spelling of 85519760436 in words is "eighty-five billion, five hundred nineteen million, seven hundred sixty thousand, four hundred thirty-six".