870362808 has 128 divisors (see below), whose sum is σ = 2546035200. Its totient is φ = 242809344.

The previous prime is 870362777. The next prime is 870362809. The reversal of 870362808 is 808263078.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 870362808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870362809) 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, 2745466 + ... + 2745782.

It is an arithmetic number, because the mean of its divisors is an integer number (19890900).

Almost surely, 2^870362808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 870362808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1273017600).

870362808 is an abundant number, since it is smaller than the sum of its proper divisors (1675672392).

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

870362808 is a wasteful number, since it uses less digits than its factorization.

870362808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669 (or 665 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 870362808 is about 29501.9119380423. The cubic root of 870362808 is about 954.7729540752.

The spelling of 870362808 in words is "eight hundred seventy million, three hundred sixty-two thousand, eight hundred eight".