699699478 has 8 divisors (see below), whose sum is σ = 1054877472. Its totient is φ = 348073656.

The previous prime is 699699461. The next prime is 699699479. The reversal of 699699478 is 874996996.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (699699479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 887550 + ... + 888337.

It is an arithmetic number, because the mean of its divisors is an integer number (131859684).

Almost surely, 2^699699478 is an apocalyptic number.

699699478 is a deficient number, since it is larger than the sum of its proper divisors (355177994).

699699478 is a wasteful number, since it uses less digits than its factorization.

699699478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1776086.

The product of its digits is 52907904, while the sum is 67.

The square root of 699699478 is about 26451.8331689885. The cubic root of 699699478 is about 887.7769194183.

The spelling of 699699478 in words is "six hundred ninety-nine million, six hundred ninety-nine thousand, four hundred seventy-eight".