823058872 has 32 divisors (see below), whose sum is σ = 1662249600. Its totient is φ = 380800224.

The previous prime is 823058857. The next prime is 823058903. The reversal of 823058872 is 278850328.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56428 + ... + 69499.

It is an arithmetic number, because the mean of its divisors is an integer number (51945300).

Almost surely, 2^823058872 is an apocalyptic number.

It is an amenable number.

823058872 is an abundant number, since it is smaller than the sum of its proper divisors (839190728).

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

823058872 is a wasteful number, since it uses less digits than its factorization.

823058872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125995 (or 125991 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 43.

The square root of 823058872 is about 28689.0026316706. The cubic root of 823058872 is about 937.1525693822.

The spelling of 823058872 in words is "eight hundred twenty-three million, fifty-eight thousand, eight hundred seventy-two".