3672645885 has 12 divisors (see below), whose sum is σ = 6365919612. Its totient is φ = 1958744448.

The previous prime is 3672645877. The next prime is 3672645901. The reversal of 3672645885 is 5885462763.

3672645885 is a `hidden beast` number, since 36 + 7 + 26 + 4 + 588 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1475942724 + 2196703161 = 38418^2 + 46869^2 .

It is not a de Polignac number, because 3672645885 - 2³ = 3672645877 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 40807132 + ... + 40807221.

It is an arithmetic number, because the mean of its divisors is an integer number (530493301).

Almost surely, 2^3672645885 is an apocalyptic number.

It is an amenable number.

3672645885 is a deficient number, since it is larger than the sum of its proper divisors (2693273727).

3672645885 is a wasteful number, since it uses less digits than its factorization.

3672645885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81614364 (or 81614361 counting only the distinct ones).

The product of its digits is 9676800, while the sum is 54.

The square root of 3672645885 is about 60602.3587412239. The cubic root of 3672645885 is about 1542.8594040054.

The spelling of 3672645885 in words is "three billion, six hundred seventy-two million, six hundred forty-five thousand, eight hundred eighty-five".