808779461 has 4 divisors (see below), whose sum is σ = 924319392. Its totient is φ = 693239532.

The previous prime is 808779449. The next prime is 808779467. The reversal of 808779461 is 164977808.

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.

It is a cyclic number.

It is not a de Polignac number, because 808779461 - 2⁶ = 808779397 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 (808779467) 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, 57769955 + ... + 57769968.

It is an arithmetic number, because the mean of its divisors is an integer number (231079848).

Almost surely, 2^808779461 is an apocalyptic number.

It is an amenable number.

808779461 is a deficient number, since it is larger than the sum of its proper divisors (115539931).

808779461 is a wasteful number, since it uses less digits than its factorization.

808779461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115539930.

The product of its (nonzero) digits is 677376, while the sum is 50.

The square root of 808779461 is about 28439.0481732424. The cubic root of 808779461 is about 931.7013067311.

The spelling of 808779461 in words is "eight hundred eight million, seven hundred seventy-nine thousand, four hundred sixty-one".