5757661215 has 24 divisors (see below), whose sum is σ = 10008245520. Its totient is φ = 3062045184.

The previous prime is 5757661211. The next prime is 5757661237. The reversal of 5757661215 is 5121667575.

5757661215 is a `hidden beast` number, since 5 + 7 + 576 + 61 + 2 + 15 = 666.

It is not a de Polignac number, because 5757661215 - 2² = 5757661211 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5757661211) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 165345 + ... + 197114.

It is an arithmetic number, because the mean of its divisors is an integer number (417010230).

Almost surely, 2^5757661215 is an apocalyptic number.

5757661215 is a deficient number, since it is larger than the sum of its proper divisors (4250584305).

5757661215 is a wasteful number, since it uses less digits than its factorization.

5757661215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362823 (or 362820 counting only the distinct ones).

The product of its digits is 441000, while the sum is 45.

The square root of 5757661215 is about 75879.2541805730. The cubic root of 5757661215 is about 1792.3192490606.

The spelling of 5757661215 in words is "five billion, seven hundred fifty-seven million, six hundred sixty-one thousand, two hundred fifteen".