803372991 has 16 divisors (see below), whose sum is σ = 1132483200. Its totient is φ = 505169568.

The previous prime is 803372959. The next prime is 803373017. The reversal of 803372991 is 199273308.

It is not a de Polignac number, because 803372991 - 2⁵ = 803372959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (803372951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17721 + ... + 43826.

It is an arithmetic number, because the mean of its divisors is an integer number (70780200).

Almost surely, 2^803372991 is an apocalyptic number.

803372991 is a deficient number, since it is larger than the sum of its proper divisors (329110209).

803372991 is a wasteful number, since it uses less digits than its factorization.

803372991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61798.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 803372991 is about 28343.8351498170. The cubic root of 803372991 is about 929.6206071858.

The spelling of 803372991 in words is "eight hundred three million, three hundred seventy-two thousand, nine hundred ninety-one".