7057557507 has 64 divisors (see below), whose sum is σ = 12760151040. Its totient is φ = 3350592000.

The previous prime is 7057557499. The next prime is 7057557523.

7057557507 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 7057557507 - 2³ = 7057557499 is a prime.

It is a super-2 number, since 2×7057557507² = 99618235929224110098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7057557527) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 291669 + ... + 314937.

It is an arithmetic number, because the mean of its divisors is an integer number (199377360).

Almost surely, 2^7057557507 is an apocalyptic number.

7057557507 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

7057557507 is a deficient number, since it is larger than the sum of its proper divisors (5702593533).

7057557507 is a wasteful number, since it uses less digits than its factorization.

7057557507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23404.

The product of its (nonzero) digits is 1500625, while the sum is 48.

The square root of 7057557507 is about 84009.2703634545. The cubic root of 7057557507 is about 1918.1599039839.

The spelling of 7057557507 in words is "seven billion, fifty-seven million, five hundred fifty-seven thousand, five hundred seven".