798777 has 24 divisors (see below), whose sum is σ = 1364480. Its totient is φ = 440640.

The previous prime is 798773. The next prime is 798781. The reversal of 798777 is 777897.

798777 is nontrivially palindromic in base 5.

It is an interprime number because it is at equal distance from previous prime (798773) and next prime (798781).

It is not a de Polignac number, because 798777 - 2² = 798773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (798773) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1749 + ... + 2157.

2⁷⁹⁸⁷⁷⁷ is an apocalyptic number.

It is an amenable number.

798777 is a deficient number, since it is larger than the sum of its proper divisors (565703).

798777 is a wasteful number, since it uses less digits than its factorization.

798777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453 (or 450 counting only the distinct ones).

The product of its digits is 172872, while the sum is 45.

The square root of 798777 is about 893.7432517228. The cubic root of 798777 is about 92.7844470195.

The spelling of 798777 in words is "seven hundred ninety-eight thousand, seven hundred seventy-seven".