808418953 has 4 divisors (see below), whose sum is σ = 812935440. Its totient is φ = 803902468.

The previous prime is 808418917. The next prime is 808418981. The reversal of 808418953 is 359814808.

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 a de Polignac number, because none of the positive numbers 2^k-808418953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (808418983) 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, 2257975 + ... + 2258332.

It is an arithmetic number, because the mean of its divisors is an integer number (203233860).

Almost surely, 2^808418953 is an apocalyptic number.

It is an amenable number.

808418953 is a deficient number, since it is larger than the sum of its proper divisors (4516487).

808418953 is a wasteful number, since it uses less digits than its factorization.

808418953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4516486.

The product of its (nonzero) digits is 276480, while the sum is 46.

The square root of 808418953 is about 28432.7092096409. The cubic root of 808418953 is about 931.5628529624.

The spelling of 808418953 in words is "eight hundred eight million, four hundred eighteen thousand, nine hundred fifty-three".