799432157 has 8 divisors (see below), whose sum is σ = 846733176. Its totient is φ = 752161792.

The previous prime is 799432129. The next prime is 799432171. The reversal of 799432157 is 751234997.

It can be written as a sum of positive squares in 4 ways, for example, as 16048036 + 783384121 = 4006^2 + 27989^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 799432157 - 2⁶ = 799432093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (799432177) 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, 66773 + ... + 77829.

It is an arithmetic number, because the mean of its divisors is an integer number (105841647).

Almost surely, 2^799432157 is an apocalyptic number.

It is an amenable number.

799432157 is a deficient number, since it is larger than the sum of its proper divisors (47301019).

799432157 is a wasteful number, since it uses less digits than its factorization.

799432157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15327.

The product of its digits is 476280, while the sum is 47.

The square root of 799432157 is about 28274.2313246532. The cubic root of 799432157 is about 928.0980735907.

The spelling of 799432157 in words is "seven hundred ninety-nine million, four hundred thirty-two thousand, one hundred fifty-seven".