855374877 has 32 divisors (see below), whose sum is σ = 1481948160. Its totient is φ = 477414000.

The previous prime is 855374869. The next prime is 855374893. The reversal of 855374877 is 778473558.

855374877 is a `hidden beast` number, since 8 + 553 + 7 + 4 + 87 + 7 = 666.

It is not a de Polignac number, because 855374877 - 2³ = 855374869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855374837) 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, 44499 + ... + 60752.

It is an arithmetic number, because the mean of its divisors is an integer number (46310880).

Almost surely, 2^855374877 is an apocalyptic number.

It is an amenable number.

855374877 is a deficient number, since it is larger than the sum of its proper divisors (626573283).

855374877 is a wasteful number, since it uses less digits than its factorization.

855374877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105310 (or 105304 counting only the distinct ones).

The product of its digits is 6585600, while the sum is 54.

The square root of 855374877 is about 29246.7925933768. The cubic root of 855374877 is about 949.2606905468.

The spelling of 855374877 in words is "eight hundred fifty-five million, three hundred seventy-four thousand, eight hundred seventy-seven".