8070908157 has 18 divisors (see below), whose sum is σ = 12623730522. Its totient is φ = 4966711776.

The previous prime is 8070908147. The next prime is 8070908171. The reversal of 8070908157 is 7518090708.

It can be written as a sum of positive squares in 3 ways, for example, as 881733636 + 7189174521 = 29694^2 + 84789^2 .

It is not a de Polignac number, because 8070908157 - 2¹⁸ = 8070646013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8070908147) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2651638 + ... + 2654679.

Almost surely, 2^8070908157 is an apocalyptic number.

It is an amenable number.

8070908157 is a deficient number, since it is larger than the sum of its proper divisors (4552822365).

8070908157 is a wasteful number, since it uses less digits than its factorization.

8070908157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5306349 (or 5306333 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 45.

The square root of 8070908157 is about 89838.2332695829. The cubic root of 8070908157 is about 2005.8916403282.

The spelling of 8070908157 in words is "eight billion, seventy million, nine hundred eight thousand, one hundred fifty-seven".