800007158 has 4 divisors (see below), whose sum is σ = 1200010740. Its totient is φ = 400003578.

The previous prime is 800007083. The next prime is 800007161. The reversal of 800007158 is 851700008.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×800007158² = 1280022905702473928, which contains 22 as substring.

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 800007158.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200001788 + ... + 200001791.

It is an arithmetic number, because the mean of its divisors is an integer number (300002685).

Almost surely, 2^800007158 is an apocalyptic number.

800007158 is a deficient number, since it is larger than the sum of its proper divisors (400003582).

800007158 is a wasteful number, since it uses less digits than its factorization.

800007158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400003581.

The product of its (nonzero) digits is 2240, while the sum is 29.

The square root of 800007158 is about 28284.3977839373. The cubic root of 800007158 is about 928.3205354220.

The spelling of 800007158 in words is "eight hundred million, seven thousand, one hundred fifty-eight".