699887616 has 52 divisors (see below), whose sum is σ = 1866171912. Its totient is φ = 233291776.

The previous prime is 699887611. The next prime is 699887621. The reversal of 699887616 is 616788996.

It is an interprime number because it is at equal distance from previous prime (699887611) and next prime (699887621).

It is a self number, because there is not a number n which added to its sum of digits gives 699887616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (699887611) 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, 16191 + ... + 40766.

Almost surely, 2^699887616 is an apocalyptic number.

It is an amenable number.

699887616 is an abundant number, since it is smaller than the sum of its proper divisors (1166284296).

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

699887616 is an equidigital number, since it uses as much as digits as its factorization.

699887616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56984 (or 56962 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 60.

The square root of 699887616 is about 26455.3891674267. The cubic root of 699887616 is about 887.8564819598.

The spelling of 699887616 in words is "six hundred ninety-nine million, eight hundred eighty-seven thousand, six hundred sixteen".