870538739 has 8 divisors (see below), whose sum is σ = 1008914688. Its totient is φ = 735666120.

The previous prime is 870538723. The next prime is 870538763. The reversal of 870538739 is 937835078.

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

It is not a de Polignac number, because 870538739 - 2⁴ = 870538723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (870538709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 875297 + ... + 876290.

It is an arithmetic number, because the mean of its divisors is an integer number (126114336).

Almost surely, 2^870538739 is an apocalyptic number.

870538739 is a deficient number, since it is larger than the sum of its proper divisors (138375949).

870538739 is a wasteful number, since it uses less digits than its factorization.

870538739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751665.

The product of its (nonzero) digits is 1270080, while the sum is 50.

The square root of 870538739 is about 29504.8934754898. The cubic root of 870538739 is about 954.8372808297.

The spelling of 870538739 in words is "eight hundred seventy million, five hundred thirty-eight thousand, seven hundred thirty-nine".