800740087 has 4 divisors (see below), whose sum is σ = 915131536. Its totient is φ = 686348640.

The previous prime is 800740079. The next prime is 800740091. The reversal of 800740087 is 780047008.

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

It is a cyclic number.

It is not a de Polignac number, because 800740087 - 2³ = 800740079 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 (800720087) 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, 57195714 + ... + 57195727.

It is an arithmetic number, because the mean of its divisors is an integer number (228782884).

Almost surely, 2^800740087 is an apocalyptic number.

800740087 is a deficient number, since it is larger than the sum of its proper divisors (114391449).

800740087 is a wasteful number, since it uses less digits than its factorization.

800740087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114391448.

The product of its (nonzero) digits is 12544, while the sum is 34.

The square root of 800740087 is about 28297.3512364673. The cubic root of 800740087 is about 928.6039434554.

The spelling of 800740087 in words is "eight hundred million, seven hundred forty thousand, eighty-seven".