870707494 has 4 divisors (see below), whose sum is σ = 1306061244. Its totient is φ = 435353746.

The previous prime is 870707491. The next prime is 870707501. The reversal of 870707494 is 494707078.

It is a semiprime because it is the product of two primes.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870707491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217676872 + ... + 217676875.

It is an arithmetic number, because the mean of its divisors is an integer number (326515311).

Almost surely, 2^870707494 is an apocalyptic number.

870707494 is a deficient number, since it is larger than the sum of its proper divisors (435353750).

870707494 is a wasteful number, since it uses less digits than its factorization.

870707494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435353749.

The product of its (nonzero) digits is 395136, while the sum is 46.

The square root of 870707494 is about 29507.7531167658. The cubic root of 870707494 is about 954.8989756352.

The spelling of 870707494 in words is "eight hundred seventy million, seven hundred seven thousand, four hundred ninety-four".