855179655 has 32 divisors (see below), whose sum is σ = 1501355520. Its totient is φ = 412222080.

The previous prime is 855179651. The next prime is 855179693. The reversal of 855179655 is 556971558.

It is a happy number.

It is not a de Polignac number, because 855179655 - 2² = 855179651 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 855179598 and 855179607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855179651) 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, 13566 + ... + 43524.

It is an arithmetic number, because the mean of its divisors is an integer number (46917360).

Almost surely, 2^855179655 is an apocalyptic number.

855179655 is a deficient number, since it is larger than the sum of its proper divisors (646175865).

855179655 is a wasteful number, since it uses less digits than its factorization.

855179655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30151.

The product of its digits is 1890000, while the sum is 51.

The square root of 855179655 is about 29243.4549087484. The cubic root of 855179655 is about 949.1884685400.

The spelling of 855179655 in words is "eight hundred fifty-five million, one hundred seventy-nine thousand, six hundred fifty-five".