689072577 has 16 divisors (see below), whose sum is σ = 982844352. Its totient is φ = 427898880.

The previous prime is 689072551. The next prime is 689072597. The reversal of 689072577 is 775270986.

It is not a de Polignac number, because 689072577 - 2¹⁶ = 689007041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (689072507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64699 + ... + 74592.

It is an arithmetic number, because the mean of its divisors is an integer number (61427772).

Almost surely, 2^689072577 is an apocalyptic number.

It is an amenable number.

689072577 is a deficient number, since it is larger than the sum of its proper divisors (293771775).

689072577 is a wasteful number, since it uses less digits than its factorization.

689072577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139408.

The product of its (nonzero) digits is 1481760, while the sum is 51.

The square root of 689072577 is about 26250.1919421554. The cubic root of 689072577 is about 883.2595101313.

The spelling of 689072577 in words is "six hundred eighty-nine million, seventy-two thousand, five hundred seventy-seven".