3857279970 has 32 divisors (see below), whose sum is σ = 9507676608. Its totient is φ = 1000807488.

The previous prime is 3857279963. The next prime is 3857280023. The reversal of 3857279970 is 799727583.

It is a self number, because there is not a number n which added to its sum of digits gives 3857279970.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1736404 + ... + 1738623.

It is an arithmetic number, because the mean of its divisors is an integer number (297114894).

Almost surely, 2^3857279970 is an apocalyptic number.

3857279970 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3857279970 is an abundant number, since it is smaller than the sum of its proper divisors (5650396638).

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

3857279970 is a wasteful number, since it uses less digits than its factorization.

3857279970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3475074.

The product of its (nonzero) digits is 6667920, while the sum is 57.

The square root of 3857279970 is about 62107.0041943741. The cubic root of 3857279970 is about 1568.2924583877.

The spelling of 3857279970 in words is "three billion, eight hundred fifty-seven million, two hundred seventy-nine thousand, nine hundred seventy".