801070157 has 4 divisors (see below), whose sum is σ = 813026496. Its totient is φ = 789113820.

The previous prime is 801070147. The next prime is 801070187. The reversal of 801070157 is 751070108.

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 not a de Polignac number, because 801070157 - 2⁸ = 801069901 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 (801070147) 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, 5978069 + ... + 5978202.

It is an arithmetic number, because the mean of its divisors is an integer number (203256624).

Almost surely, 2^801070157 is an apocalyptic number.

It is an amenable number.

801070157 is a deficient number, since it is larger than the sum of its proper divisors (11956339).

801070157 is a wasteful number, since it uses less digits than its factorization.

801070157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11956338.

The product of its (nonzero) digits is 1960, while the sum is 29.

The square root of 801070157 is about 28303.1828068859. The cubic root of 801070157 is about 928.7315180180.

The spelling of 801070157 in words is "eight hundred one million, seventy thousand, one hundred fifty-seven".