897407870 has 16 divisors (see below), whose sum is σ = 1615677840. Its totient is φ = 358886784.

The previous prime is 897407857. The next prime is 897407873. The reversal of 897407870 is 78704798.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897407873) 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, 78329 + ... + 89051.

It is an arithmetic number, because the mean of its divisors is an integer number (100979865).

Almost surely, 2^897407870 is an apocalyptic number.

897407870 is a deficient number, since it is larger than the sum of its proper divisors (718269970).

897407870 is a wasteful number, since it uses less digits than its factorization.

897407870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19099.

The product of its (nonzero) digits is 790272, while the sum is 50.

The square root of 897407870 is about 29956.7666813360. The cubic root of 897407870 is about 964.5615769990.

The spelling of 897407870 in words is "eight hundred ninety-seven million, four hundred seven thousand, eight hundred seventy".