799454858 has 4 divisors (see below), whose sum is σ = 1199182290. Its totient is φ = 399727428.

The previous prime is 799454807. The next prime is 799454863. The reversal of 799454858 is 858454997.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 858454997 = 2069 ⋅414913.

It can be written as a sum of positive squares in only one way, i.e., 794845249 + 4609609 = 28193^2 + 2147^2 .

It is a junction number, because it is equal to n+sod(n) for n = 799454797 and 799454806.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199863713 + ... + 199863716.

Almost surely, 2^799454858 is an apocalyptic number.

799454858 is a deficient number, since it is larger than the sum of its proper divisors (399727432).

799454858 is a wasteful number, since it uses less digits than its factorization.

799454858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399727431.

The product of its digits is 14515200, while the sum is 59.

The square root of 799454858 is about 28274.6327650776. The cubic root of 799454858 is about 928.1068583907.

The spelling of 799454858 in words is "seven hundred ninety-nine million, four hundred fifty-four thousand, eight hundred fifty-eight".