699487923 has 32 divisors (see below), whose sum is σ = 990519552. Its totient is φ = 438480000.

The previous prime is 699487913. The next prime is 699487927. The reversal of 699487923 is 329784996.

It is not a de Polignac number, because 699487923 - 2⁸ = 699487667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (699487927) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 481348 + ... + 482798.

It is an arithmetic number, because the mean of its divisors is an integer number (30953736).

Almost surely, 2^699487923 is an apocalyptic number.

699487923 is a deficient number, since it is larger than the sum of its proper divisors (291031629).

699487923 is a wasteful number, since it uses less digits than its factorization.

699487923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635.

The product of its digits is 5878656, while the sum is 57.

The square root of 699487923 is about 26447.8339944881. The cubic root of 699487923 is about 887.6874369172.

The spelling of 699487923 in words is "six hundred ninety-nine million, four hundred eighty-seven thousand, nine hundred twenty-three".