3772485861 has 16 divisors (see below), whose sum is σ = 5327337600. Its totient is φ = 2366394368.

The previous prime is 3772485833. The next prime is 3772485863. The reversal of 3772485861 is 1685842773.

3772485861 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3772485861 - 2⁶ = 3772485797 is a prime.

It is a super-2 number, since 2×3772485861² = 28463299142889822642, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3772485863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230725 + ... + 246533.

It is an arithmetic number, because the mean of its divisors is an integer number (332958600).

Almost surely, 2^3772485861 is an apocalyptic number.

It is an amenable number.

3772485861 is a deficient number, since it is larger than the sum of its proper divisors (1554851739).

3772485861 is a wasteful number, since it uses less digits than its factorization.

3772485861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20508.

The product of its digits is 2257920, while the sum is 51.

The square root of 3772485861 is about 61420.5654565309. The cubic root of 3772485861 is about 1556.7153468344.

The spelling of 3772485861 in words is "three billion, seven hundred seventy-two million, four hundred eighty-five thousand, eight hundred sixty-one".