7557007157 has 8 divisors (see below), whose sum is σ = 8740635456. Its totient is φ = 6399392832.

The previous prime is 7557007151. The next prime is 7557007193. The reversal of 7557007157 is 7517007557.

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

It is not a de Polignac number, because 7557007157 - 2⁸ = 7557006901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7557007151) 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, 6502868 + ... + 6504029.

It is an arithmetic number, because the mean of its divisors is an integer number (1092579432).

Almost surely, 2^7557007157 is an apocalyptic number.

It is an amenable number.

7557007157 is a deficient number, since it is larger than the sum of its proper divisors (1183628299).

7557007157 is a wasteful number, since it uses less digits than its factorization.

7557007157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13006987.

The product of its (nonzero) digits is 300125, while the sum is 44.

The square root of 7557007157 is about 86931.0482911600. The cubic root of 7557007157 is about 1962.3807628314.

The spelling of 7557007157 in words is "seven billion, five hundred fifty-seven million, seven thousand, one hundred fifty-seven".