699783387996 has 96 divisors (see below), whose sum is σ = 2055889543680. Its totient is φ = 179962272000.

The previous prime is 699783387991. The next prime is 699783388001.

699783387996 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (699783387991) and next prime (699783388001).

It is a Harshad number since it is a multiple of its sum of digits (84).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (699783387991) 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, 3655891 + ... + 3842538.

It is an arithmetic number, because the mean of its divisors is an integer number (21415516080).

Almost surely, 2^699783387996 is an apocalyptic number.

699783387996 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

699783387996 is an abundant number, since it is smaller than the sum of its proper divisors (1356106155684).

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

699783387996 is a wasteful number, since it uses less digits than its factorization.

699783387996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7498555 (or 7498553 counting only the distinct ones).

The product of its digits is 6666395904, while the sum is 84.

The spelling of 699783387996 in words is "six hundred ninety-nine billion, seven hundred eighty-three million, three hundred eighty-seven thousand, nine hundred ninety-six".