3157903485 has 48 divisors (see below), whose sum is σ = 5977820160. Its totient is φ = 1529435520.

The previous prime is 3157903477. The next prime is 3157903487. The reversal of 3157903485 is 5843097513.

3157903485 is a `hidden beast` number, since 31 + 57 + 90 + 3 + 485 = 666.

It is not a de Polignac number, because 3157903485 - 2³ = 3157903477 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 3157903485.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3157903487) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 535131 + ... + 540999.

It is an arithmetic number, because the mean of its divisors is an integer number (124537920).

Almost surely, 2^3157903485 is an apocalyptic number.

It is an amenable number.

3157903485 is a deficient number, since it is larger than the sum of its proper divisors (2819916675).

3157903485 is a wasteful number, since it uses less digits than its factorization.

3157903485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6978 (or 6975 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The square root of 3157903485 is about 56195.2265321531. The cubic root of 3157903485 is about 1467.1221845836.

The spelling of 3157903485 in words is "three billion, one hundred fifty-seven million, nine hundred three thousand, four hundred eighty-five".