779953 has 4 divisors (see below), whose sum is σ = 813888. Its totient is φ = 746020.

The previous prime is 779939. The next prime is 779971. The reversal of 779953 is 359977.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 359977 = 29 ⋅12413.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-779953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (779983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16933 + ... + 16978.

It is an arithmetic number, because the mean of its divisors is an integer number (203472).

2⁷⁷⁹⁹⁵³ is an apocalyptic number.

It is an amenable number.

779953 is a deficient number, since it is larger than the sum of its proper divisors (33935).

779953 is a wasteful number, since it uses less digits than its factorization.

779953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33934.

The product of its digits is 59535, while the sum is 40.

The square root of 779953 is about 883.1494777216. The cubic root of 779953 is about 92.0497918875.

The spelling of 779953 in words is "seven hundred seventy-nine thousand, nine hundred fifty-three".