855977046 has 8 divisors (see below), whose sum is σ = 1711954104. Its totient is φ = 285325680.

The previous prime is 855977029. The next prime is 855977069. The reversal of 855977046 is 640779558.

It is a sphenic number, since it is the product of 3 distinct primes.

855977046 is an admirable number.

It is a super-2 number, since 2×855977046² = 1465393406557772232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 855977046.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71331415 + ... + 71331426.

It is an arithmetic number, because the mean of its divisors is an integer number (213994263).

Almost surely, 2^855977046 is an apocalyptic number.

855977046 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

855977046 is a wasteful number, since it uses less digits than its factorization.

855977046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142662846.

The product of its (nonzero) digits is 2116800, while the sum is 51.

The square root of 855977046 is about 29257.0853982416. The cubic root of 855977046 is about 949.4833926208.

It can be divided in two parts, 855 and 977046, that added together give a triangular number (977901 = T₁₃₉₈).

The spelling of 855977046 in words is "eight hundred fifty-five million, nine hundred seventy-seven thousand, forty-six".