989562157675 has 144 divisors (see below), whose sum is σ = 1670309760000. Its totient is φ = 574246713600.

The previous prime is 989562157673. The next prime is 989562157711. The reversal of 989562157675 is 576751265989.

It is not a de Polignac number, because 989562157675 - 2¹ = 989562157673 is a prime.

It is a super-2 number, since 2×989562157675² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (70) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (989562157673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 9327076 + ... + 9432574.

Almost surely, 2^989562157675 is an apocalyptic number.

989562157675 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

989562157675 is a deficient number, since it is larger than the sum of its proper divisors (680747602325).

989562157675 is a wasteful number, since it uses less digits than its factorization.

989562157675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105586 (or 105574 counting only the distinct ones).

The product of its digits is 285768000, while the sum is 70.

The spelling of 989562157675 in words is "nine hundred eighty-nine billion, five hundred sixty-two million, one hundred fifty-seven thousand, six hundred seventy-five".