3870752631 has 4 divisors (see below), whose sum is σ = 5161003512. Its totient is φ = 2580501752.

The previous prime is 3870752617. The next prime is 3870752693. The reversal of 3870752631 is 1362570783.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3870752631 - 2¹³ = 3870744439 is a prime.

It is a super-2 number, since 2×3870752631² = 29965451860786844322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3870752131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 645125436 + ... + 645125441.

It is an arithmetic number, because the mean of its divisors is an integer number (1290250878).

Almost surely, 2^3870752631 is an apocalyptic number.

3870752631 is a deficient number, since it is larger than the sum of its proper divisors (1290250881).

3870752631 is a wasteful number, since it uses less digits than its factorization.

3870752631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290250880.

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 3870752631 is about 62215.3729475280. The cubic root of 3870752631 is about 1570.1162410046.

The spelling of 3870752631 in words is "three billion, eight hundred seventy million, seven hundred fifty-two thousand, six hundred thirty-one".