696987757287 has 40 divisors (see below), whose sum is σ = 1096126416000. Its totient is φ = 440143244496.

The previous prime is 696987757199. The next prime is 696987757307. The reversal of 696987757287 is 782757789696.

It is not a de Polignac number, because 696987757287 - 2¹⁵ = 696987724519 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (696987757387) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 13207528 + ... + 13260194.

It is an arithmetic number, because the mean of its divisors is an integer number (27403160400).

Almost surely, 2^696987757287 is an apocalyptic number.

696987757287 is a deficient number, since it is larger than the sum of its proper divisors (399138658713).

696987757287 is a wasteful number, since it uses less digits than its factorization.

696987757287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61297 (or 61288 counting only the distinct ones).

The product of its digits is 4480842240, while the sum is 81.

The spelling of 696987757287 in words is "six hundred ninety-six billion, nine hundred eighty-seven million, seven hundred fifty-seven thousand, two hundred eighty-seven".