3870057281 has 8 divisors (see below), whose sum is σ = 3965908128. Its totient is φ = 3774276000.

The previous prime is 3870057263. The next prime is 3870057383. The reversal of 3870057281 is 1827500783.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3870057281 is a prime.

It is a super-2 number, since 2×3870057281² = 29954686716442225922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3870057881) 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, 105926 + ... + 137696.

It is an arithmetic number, because the mean of its divisors is an integer number (495738516).

Almost surely, 2^3870057281 is an apocalyptic number.

It is an amenable number.

3870057281 is a deficient number, since it is larger than the sum of its proper divisors (95850847).

3870057281 is a wasteful number, since it uses less digits than its factorization.

3870057281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34783.

The product of its (nonzero) digits is 94080, while the sum is 41.

The square root of 3870057281 is about 62209.7844474645. The cubic root of 3870057281 is about 1570.0222157323.

The spelling of 3870057281 in words is "three billion, eight hundred seventy million, fifty-seven thousand, two hundred eighty-one".