3857993071 has 8 divisors (see below), whose sum is σ = 3964456400. Its totient is φ = 3751645248.

The previous prime is 3857993063. The next prime is 3857993089. The reversal of 3857993071 is 1703997583.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3857993071 - 2³ = 3857993063 is a prime.

It is a super-2 number, since 2×3857993071² = 29768221071768022082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3857993011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41155 + ... + 97003.

It is an arithmetic number, because the mean of its divisors is an integer number (495557050).

Almost surely, 2^3857993071 is an apocalyptic number.

3857993071 is a deficient number, since it is larger than the sum of its proper divisors (106463329).

3857993071 is a wasteful number, since it uses less digits than its factorization.

3857993071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57753.

The product of its (nonzero) digits is 1428840, while the sum is 52.

The square root of 3857993071 is about 62112.7448355005. The cubic root of 3857993071 is about 1568.3890966076.

The spelling of 3857993071 in words is "three billion, eight hundred fifty-seven million, nine hundred ninety-three thousand, seventy-one".