799128783 has 6 divisors (see below), whose sum is σ = 1154297144. Its totient is φ = 532752516.

The previous prime is 799128773. The next prime is 799128817. The reversal of 799128783 is 387821997.

It is not a de Polignac number, because 799128783 - 2⁶ = 799128719 is a prime.

It is a super-2 number, since 2×799128783² = 1277213623638122178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (799128713) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 44396035 + ... + 44396052.

Almost surely, 2^799128783 is an apocalyptic number.

799128783 is a deficient number, since it is larger than the sum of its proper divisors (355168361).

799128783 is a wasteful number, since it uses less digits than its factorization.

799128783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88792093 (or 88792090 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 54.

The square root of 799128783 is about 28268.8659659350. The cubic root of 799128783 is about 927.9806583953.

The spelling of 799128783 in words is "seven hundred ninety-nine million, one hundred twenty-eight thousand, seven hundred eighty-three".