672497639587 has 2 divisors, whose sum is σ = 672497639588. Its totient is φ = 672497639586.

The previous prime is 672497639557. The next prime is 672497639617. The reversal of 672497639587 is 785936794276.

It is a balanced prime because it is at equal distance from previous prime (672497639557) and next prime (672497639617).

It is a cyclic number.

It is not a de Polignac number, because 672497639587 - 2³¹ = 670350155939 is a prime.

It is not a weakly prime, because it can be changed into another prime (672497639557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336248819793 + 336248819794.

It is an arithmetic number, because the mean of its divisors is an integer number (336248819794).

Almost surely, 2^672497639587 is an apocalyptic number.

672497639587 is a deficient number, since it is larger than the sum of its proper divisors (1).

672497639587 is an equidigital number, since it uses as much as digits as its factorization.

672497639587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 960180480, while the sum is 73.

The spelling of 672497639587 in words is "six hundred seventy-two billion, four hundred ninety-seven million, six hundred thirty-nine thousand, five hundred eighty-seven".