800877690 has 48 divisors (see below), whose sum is σ = 2097295200. Its totient is φ = 212027616.

The previous prime is 800877677. The next prime is 800877739. The reversal of 800877690 is 96778008.

It is a super-2 number, since 2×800877690² = 1282810148679472200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19500 + ... + 44519.

It is an arithmetic number, because the mean of its divisors is an integer number (43693650).

Almost surely, 2^800877690 is an apocalyptic number.

800877690 is an abundant number, since it is smaller than the sum of its proper divisors (1296417510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

800877690 is a wasteful number, since it uses less digits than its factorization.

800877690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64171 (or 64168 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The square root of 800877690 is about 28299.7825079982. The cubic root of 800877690 is about 928.6571323207.

The spelling of 800877690 in words is "eight hundred million, eight hundred seventy-seven thousand, six hundred ninety".