977225236 has 24 divisors (see below), whose sum is σ = 1876447944. Its totient is φ = 442515840.

The previous prime is 977225203. The next prime is 977225237. The reversal of 977225236 is 632522779.

977225236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 140280336 + 836944900 = 11844^2 + 28930^2 .

It is a junction number, because it is equal to n+sod(n) for n = 977225192 and 977225201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (977225237) 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, 174535 + ... + 180046.

It is an arithmetic number, because the mean of its divisors is an integer number (78185331).

Almost surely, 2^977225236 is an apocalyptic number.

It is an amenable number.

977225236 is a deficient number, since it is larger than the sum of its proper divisors (899222708).

977225236 is a wasteful number, since it uses less digits than its factorization.

977225236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354651 (or 354649 counting only the distinct ones).

The product of its digits is 317520, while the sum is 43.

The square root of 977225236 is about 31260.6019775691. The cubic root of 977225236 is about 992.3500393318.

The spelling of 977225236 in words is "nine hundred seventy-seven million, two hundred twenty-five thousand, two hundred thirty-six".