85405792 has 12 divisors (see below), whose sum is σ = 168142716. Its totient is φ = 42702880.

The previous prime is 85405777. The next prime is 85405811. The reversal of 85405792 is 29750458.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1334434 + ... + 1334497.

It is an arithmetic number, because the mean of its divisors is an integer number (14011893).

Almost surely, 2^85405792 is an apocalyptic number.

It is an amenable number.

85405792 is a deficient number, since it is larger than the sum of its proper divisors (82736924).

85405792 is a wasteful number, since it uses less digits than its factorization.

85405792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2668941 (or 2668933 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 85405792 is about 9241.5254152115. The cubic root of 85405792 is about 440.3815423314.

The spelling of 85405792 in words is "eighty-five million, four hundred five thousand, seven hundred ninety-two".