799509678 has 24 divisors (see below), whose sum is σ = 1757601384. Its totient is φ = 242275440.

The previous prime is 799509673. The next prime is 799509679. The reversal of 799509678 is 876905997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (799509673) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 549901 + ... + 551352.

It is an arithmetic number, because the mean of its divisors is an integer number (73233391).

Almost surely, 2^799509678 is an apocalyptic number.

799509678 is an abundant number, since it is smaller than the sum of its proper divisors (958091706).

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

799509678 is a wasteful number, since it uses less digits than its factorization.

799509678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101280 (or 1101269 counting only the distinct ones).

The product of its (nonzero) digits is 8573040, while the sum is 60.

The square root of 799509678 is about 28275.6021686542. The cubic root of 799509678 is about 928.1280718691.

The spelling of 799509678 in words is "seven hundred ninety-nine million, five hundred nine thousand, six hundred seventy-eight".