800870541 has 4 divisors (see below), whose sum is σ = 1067827392. Its totient is φ = 533913692.

The previous prime is 800870537. The next prime is 800870573. The reversal of 800870541 is 145078008.

It is a happy number.

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 800870541 - 2² = 800870537 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800850541) 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, 133478421 + ... + 133478426.

It is an arithmetic number, because the mean of its divisors is an integer number (266956848).

Almost surely, 2^800870541 is an apocalyptic number.

It is an amenable number.

800870541 is a deficient number, since it is larger than the sum of its proper divisors (266956851).

800870541 is a wasteful number, since it uses less digits than its factorization.

800870541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266956850.

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 800870541 is about 28299.6561993251. The cubic root of 800870541 is about 928.6543691066.

The spelling of 800870541 in words is "eight hundred million, eight hundred seventy thousand, five hundred forty-one".