791919850 has 12 divisors (see below), whose sum is σ = 1472971014. Its totient is φ = 316767920.

The previous prime is 791919827. The next prime is 791919851. The reversal of 791919850 is 58919197.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 730783089 + 61136761 = 27033^2 + 7819^2 .

It is a junction number, because it is equal to n+sod(n) for n = 791919794 and 791919803.

It is not an unprimeable number, because it can be changed into a prime (791919851) 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, 7919149 + ... + 7919248.

Almost surely, 2^791919850 is an apocalyptic number.

791919850 is a deficient number, since it is larger than the sum of its proper divisors (681051164).

791919850 is a wasteful number, since it uses less digits than its factorization.

791919850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15838409 (or 15838404 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 49.

The square root of 791919850 is about 28141.0705197937. The cubic root of 791919850 is about 925.1817904208.

The spelling of 791919850 in words is "seven hundred ninety-one million, nine hundred nineteen thousand, eight hundred fifty".