797877742 has 4 divisors (see below), whose sum is σ = 1196816616. Its totient is φ = 398938870.

The previous prime is 797877739. The next prime is 797877763. The reversal of 797877742 is 247778797.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 199469434 + ... + 199469437.

It is an arithmetic number, because the mean of its divisors is an integer number (299204154).

Almost surely, 2^797877742 is an apocalyptic number.

797877742 is a deficient number, since it is larger than the sum of its proper divisors (398938874).

797877742 is a wasteful number, since it uses less digits than its factorization.

797877742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398938873.

The product of its digits is 9680832, while the sum is 58.

The square root of 797877742 is about 28246.7297576197. The cubic root of 797877742 is about 927.4961523417.

The spelling of 797877742 in words is "seven hundred ninety-seven million, eight hundred seventy-seven thousand, seven hundred forty-two".