3787891412 has 12 divisors (see below), whose sum is σ = 6660227616. Its totient is φ = 1884969240.

The previous prime is 3787891403. The next prime is 3787891421. The reversal of 3787891412 is 2141987873.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3787891403) and next prime (3787891421).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2243168 + ... + 2244855.

It is an arithmetic number, because the mean of its divisors is an integer number (555018968).

Almost surely, 2^3787891412 is an apocalyptic number.

It is an amenable number.

3787891412 is a deficient number, since it is larger than the sum of its proper divisors (2872336204).

3787891412 is a wasteful number, since it uses less digits than its factorization.

3787891412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4488238 (or 4488236 counting only the distinct ones).

The product of its digits is 677376, while the sum is 50.

The square root of 3787891412 is about 61545.8480484265. The cubic root of 3787891412 is about 1558.8315011468.

The spelling of 3787891412 in words is "three billion, seven hundred eighty-seven million, eight hundred ninety-one thousand, four hundred twelve".