805755000 has 80 divisors (see below), whose sum is σ = 2517225480. Its totient is φ = 214864000.

The previous prime is 805754993. The next prime is 805755023. The reversal of 805755000 is 557508.

It is a happy number.

It is a super-2 number, since 2×805755000² = 1298482240050000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11859 + ... + 41858.

Almost surely, 2^805755000 is an apocalyptic number.

It is an amenable number.

805755000 is an abundant number, since it is smaller than the sum of its proper divisors (1711470480).

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

805755000 is a wasteful number, since it uses less digits than its factorization.

805755000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53746 (or 53727 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 30.

The square root of 805755000 is about 28385.8239267420. The cubic root of 805755000 is about 930.5384787672.

The spelling of 805755000 in words is "eight hundred five million, seven hundred fifty-five thousand".