85604877 has 32 divisors (see below), whose sum is σ = 134904960. Its totient is φ = 53464320.

The previous prime is 85604867. The next prime is 85604879. The reversal of 85604877 is 77840658.

85604877 is a `hidden beast` number, since 8 + 560 + 4 + 87 + 7 = 666.

It is not a de Polignac number, because 85604877 - 2¹⁴ = 85588493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85604879) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 193018 + ... + 193460.

It is an arithmetic number, because the mean of its divisors is an integer number (4215780).

Almost surely, 2^85604877 is an apocalyptic number.

It is an amenable number.

85604877 is a deficient number, since it is larger than the sum of its proper divisors (49300083).

85604877 is a wasteful number, since it uses less digits than its factorization.

85604877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890 (or 884 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The square root of 85604877 is about 9252.2903650934. The cubic root of 85604877 is about 440.7234602965.

The spelling of 85604877 in words is "eighty-five million, six hundred four thousand, eight hundred seventy-seven".