689183928375 has 64 divisors (see below), whose sum is σ = 1235265527808. Its totient is φ = 340242144000.

The previous prime is 689183928373. The next prime is 689183928427. The reversal of 689183928375 is 573829381986.

It is a happy number.

It is not a de Polignac number, because 689183928375 - 2¹ = 689183928373 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689183928373) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1021422 + ... + 1556171.

It is an arithmetic number, because the mean of its divisors is an integer number (19301023872).

Almost surely, 2^689183928375 is an apocalyptic number.

689183928375 is a deficient number, since it is larger than the sum of its proper divisors (546081599433).

689183928375 is a wasteful number, since it uses less digits than its factorization.

689183928375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2577665 (or 2577655 counting only the distinct ones).

The product of its digits is 156764160, while the sum is 69.

The spelling of 689183928375 in words is "six hundred eighty-nine billion, one hundred eighty-three million, nine hundred twenty-eight thousand, three hundred seventy-five".