805979495 has 16 divisors (see below), whose sum is σ = 990176832. Its totient is φ = 629625600.

The previous prime is 805979491. The next prime is 805979507. The reversal of 805979495 is 594979508.

It is not a de Polignac number, because 805979495 - 2² = 805979491 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 805979495.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (805979491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25934 + ... + 47796.

It is an arithmetic number, because the mean of its divisors is an integer number (61886052).

Almost surely, 2^805979495 is an apocalyptic number.

805979495 is a deficient number, since it is larger than the sum of its proper divisors (184197337).

805979495 is a wasteful number, since it uses less digits than its factorization.

805979495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22042.

The product of its (nonzero) digits is 4082400, while the sum is 56.

The square root of 805979495 is about 28389.7780019499. The cubic root of 805979495 is about 930.6248912366.

The spelling of 805979495 in words is "eight hundred five million, nine hundred seventy-nine thousand, four hundred ninety-five".