3769661987 has 16 divisors (see below), whose sum is σ = 4648127232. Its totient is φ = 2977097760.

The previous prime is 3769661983. The next prime is 3769661989. The reversal of 3769661987 is 7891669673.

It is not a de Polignac number, because 3769661987 - 2² = 3769661983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3769661983) 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, 11912 + ... + 87642.

It is an arithmetic number, because the mean of its divisors is an integer number (290507952).

Almost surely, 2^3769661987 is an apocalyptic number.

3769661987 is a deficient number, since it is larger than the sum of its proper divisors (878465245).

3769661987 is a wasteful number, since it uses less digits than its factorization.

3769661987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76298.

The product of its digits is 20575296, while the sum is 62.

The square root of 3769661987 is about 61397.5731360776. The cubic root of 3769661987 is about 1556.3268262434.

The spelling of 3769661987 in words is "three billion, seven hundred sixty-nine million, six hundred sixty-one thousand, nine hundred eighty-seven".