806070157 has 4 divisors (see below), whose sum is σ = 807237376. Its totient is φ = 804902940.

The previous prime is 806070119. The next prime is 806070191. The reversal of 806070157 is 751070608.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-806070157 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 (806070557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 582573 + ... + 583954.

It is an arithmetic number, because the mean of its divisors is an integer number (201809344).

Almost surely, 2^806070157 is an apocalyptic number.

It is an amenable number.

806070157 is a deficient number, since it is larger than the sum of its proper divisors (1167219).

806070157 is a wasteful number, since it uses less digits than its factorization.

806070157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167218.

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 806070157 is about 28391.3746937340. The cubic root of 806070157 is about 930.6597842461.

The spelling of 806070157 in words is "eight hundred six million, seventy thousand, one hundred fifty-seven".