3902877813 has 4 divisors (see below), whose sum is σ = 5203837088. Its totient is φ = 2601918540.

The previous prime is 3902877779. The next prime is 3902877817. The reversal of 3902877813 is 3187782093.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3902877813 - 2¹² = 3902873717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3902877817) 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, 650479633 + ... + 650479638.

It is an arithmetic number, because the mean of its divisors is an integer number (1300959272).

Almost surely, 2^3902877813 is an apocalyptic number.

It is an amenable number.

3902877813 is a deficient number, since it is larger than the sum of its proper divisors (1300959275).

3902877813 is a wasteful number, since it uses less digits than its factorization.

3902877813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1300959274.

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 3902877813 is about 62473.0166792032. The cubic root of 3902877813 is about 1574.4479883606.

The spelling of 3902877813 in words is "three billion, nine hundred two million, eight hundred seventy-seven thousand, eight hundred thirteen".