870782394 has 16 divisors (see below), whose sum is σ = 1758474432. Its totient is φ = 287442528.

The previous prime is 870782387. The next prime is 870782413. The reversal of 870782394 is 493287078.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 703899 + ... + 705134.

It is an arithmetic number, because the mean of its divisors is an integer number (109904652).

Almost surely, 2^870782394 is an apocalyptic number.

870782394 is an abundant number, since it is smaller than the sum of its proper divisors (887692038).

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

870782394 is a wasteful number, since it uses less digits than its factorization.

870782394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1409141.

The product of its (nonzero) digits is 677376, while the sum is 48.

The square root of 870782394 is about 29509.0222474415. The cubic root of 870782394 is about 954.9263556233.

The spelling of 870782394 in words is "eight hundred seventy million, seven hundred eighty-two thousand, three hundred ninety-four".