3770663644 has 24 divisors (see below), whose sum is σ = 7222013568. Its totient is φ = 1708349040.

The previous prime is 3770663621. The next prime is 3770663647. The reversal of 3770663644 is 4463660773.

It is a junction number, because it is equal to n+sod(n) for n = 3770663594 and 3770663603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3770663647) 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, 126064 + ... + 153079.

It is an arithmetic number, because the mean of its divisors is an integer number (300917232).

Almost surely, 2^3770663644 is an apocalyptic number.

It is an amenable number.

3770663644 is a deficient number, since it is larger than the sum of its proper divisors (3451349924).

3770663644 is a wasteful number, since it uses less digits than its factorization.

3770663644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279465 (or 279463 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 46.

The square root of 3770663644 is about 61405.7297326561. The cubic root of 3770663644 is about 1556.4646606709.

The spelling of 3770663644 in words is "three billion, seven hundred seventy million, six hundred sixty-three thousand, six hundred forty-four".