855462870 has 80 divisors (see below), whose sum is σ = 2306275488. Its totient is φ = 227525760.

The previous prime is 855462863. The next prime is 855462913. The reversal of 855462870 is 78264558.

855462870 is a `hidden beast` number, since 8 + 554 + 6 + 28 + 70 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 369015 + ... + 371325.

Almost surely, 2^855462870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 855462870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1153137744).

855462870 is an abundant number, since it is smaller than the sum of its proper divisors (1450812618).

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

855462870 is a wasteful number, since it uses less digits than its factorization.

855462870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2787 (or 2778 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The square root of 855462870 is about 29248.2968734933. The cubic root of 855462870 is about 949.2932397967.

The spelling of 855462870 in words is "eight hundred fifty-five million, four hundred sixty-two thousand, eight hundred seventy".