870807273 has 48 divisors (see below), whose sum is σ = 1403568000. Its totient is φ = 478265088.

The previous prime is 870807253. The next prime is 870807277. The reversal of 870807273 is 372708078.

It is a de Polignac number, because none of the positive numbers 2^k-870807273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (870807277) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1530133 + ... + 1530701.

It is an arithmetic number, because the mean of its divisors is an integer number (29241000).

Almost surely, 2^870807273 is an apocalyptic number.

It is an amenable number.

870807273 is a deficient number, since it is larger than the sum of its proper divisors (532760727).

870807273 is a wasteful number, since it uses less digits than its factorization.

870807273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974 (or 967 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 42.

The square root of 870807273 is about 29509.4437934706. The cubic root of 870807273 is about 954.9354498918.

The spelling of 870807273 in words is "eight hundred seventy million, eight hundred seven thousand, two hundred seventy-three".