699326280 has 96 divisors (see below), whose sum is σ = 2406526200. Its totient is φ = 175515648.

The previous prime is 699326273. The next prime is 699326281. The reversal of 699326280 is 82623996.

It can be written as a sum of positive squares in 4 ways, for example, as 696643236 + 2683044 = 26394^2 + 1638^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (699326281) by changing a digit.

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 in 23 ways as a sum of consecutive naturals, for example, 51015 + ... + 63254.

Almost surely, 2^699326280 is an apocalyptic number.

699326280 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

699326280 is an abundant number, since it is smaller than the sum of its proper divisors (1707199920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

699326280 is a wasteful number, since it uses less digits than its factorization.

699326280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114303 (or 114296 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 699326280 is about 26444.7779344051. Note that the first 3 decimals coincide. The cubic root of 699326280 is about 887.6190537901.

The spelling of 699326280 in words is "six hundred ninety-nine million, three hundred twenty-six thousand, two hundred eighty".