9772870 has 16 divisors (see below), whose sum is σ = 17628048. Its totient is φ = 3900960.

The previous prime is 9772811. The next prime is 9772877. The reversal of 9772870 is 782779.

9772870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9772877) 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, 6925 + ... + 8215.

It is an arithmetic number, because the mean of its divisors is an integer number (1101753).

Almost surely, 2^9772870 is an apocalyptic number.

9772870 is a deficient number, since it is larger than the sum of its proper divisors (7855178).

9772870 is a wasteful number, since it uses less digits than its factorization.

9772870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2055.

The product of its (nonzero) digits is 49392, while the sum is 40.

The square root of 9772870 is about 3126.1589850806. The cubic root of 9772870 is about 213.7998390447.

The spelling of 9772870 in words is "nine million, seven hundred seventy-two thousand, eight hundred seventy".