3870261816 has 48 divisors (see below), whose sum is σ = 10020855000. Its totient is φ = 1245595008.

The previous prime is 3870261809. The next prime is 3870261853. The reversal of 3870261816 is 6181620783.

3870261816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75691 + ... + 116058.

Almost surely, 2^3870261816 is an apocalyptic number.

It is an amenable number.

3870261816 is an abundant number, since it is smaller than the sum of its proper divisors (6150593184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3870261816 is a wasteful number, since it uses less digits than its factorization.

3870261816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191816 (or 191783 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 3870261816 is about 62211.4283391725. The cubic root of 3870261816 is about 1570.0498741374.

The spelling of 3870261816 in words is "three billion, eight hundred seventy million, two hundred sixty-one thousand, eight hundred sixteen".