3157287465 has 16 divisors (see below), whose sum is σ = 5052356928. Its totient is φ = 1683654336.

The previous prime is 3157287409. The next prime is 3157287479. The reversal of 3157287465 is 5647827513.

It is not a de Polignac number, because 3157287465 - 2⁷ = 3157287337 is a prime.

It is a super-2 number, since 2×3157287465² = 19936928273292252450, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201442 + ... + 216548.

It is an arithmetic number, because the mean of its divisors is an integer number (315772308).

Almost surely, 2^3157287465 is an apocalyptic number.

It is an amenable number.

3157287465 is a deficient number, since it is larger than the sum of its proper divisors (1895069463).

3157287465 is a wasteful number, since it uses less digits than its factorization.

3157287465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29048.

The product of its digits is 1411200, while the sum is 48.

The square root of 3157287465 is about 56189.7451942968. The cubic root of 3157287465 is about 1467.0267800021.

The spelling of 3157287465 in words is "three billion, one hundred fifty-seven million, two hundred eighty-seven thousand, four hundred sixty-five".