689207061 has 16 divisors (see below), whose sum is σ = 925328448. Its totient is φ = 456288000.

The previous prime is 689207059. The next prime is 689207063. The reversal of 689207061 is 160702986.

It is an interprime number because it is at equal distance from previous prime (689207059) and next prime (689207063).

It is not a de Polignac number, because 689207061 - 2¹ = 689207059 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689207063) 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, 573261 + ... + 574461.

It is an arithmetic number, because the mean of its divisors is an integer number (57833028).

Almost surely, 2^689207061 is an apocalyptic number.

It is an amenable number.

689207061 is a deficient number, since it is larger than the sum of its proper divisors (236121387).

689207061 is a wasteful number, since it uses less digits than its factorization.

689207061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2372.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 689207061 is about 26252.7533984533. The cubic root of 689207061 is about 883.3169673326.

The spelling of 689207061 in words is "six hundred eighty-nine million, two hundred seven thousand, sixty-one".