672785751187 has 16 divisors (see below), whose sum is σ = 734854305888. Its totient is φ = 610868724480.

The previous prime is 672785751167. The next prime is 672785751193. The reversal of 672785751187 is 781157587276.

It is a cyclic number.

It is not a de Polignac number, because 672785751187 - 2³¹ = 670638267539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (672785751167) 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, 31735063 + ... + 31756255.

It is an arithmetic number, because the mean of its divisors is an integer number (45928394118).

Almost surely, 2^672785751187 is an apocalyptic number.

672785751187 is a deficient number, since it is larger than the sum of its proper divisors (62068554701).

672785751187 is a wasteful number, since it uses less digits than its factorization.

672785751187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24630.

The product of its digits is 46099200, while the sum is 64.

The spelling of 672785751187 in words is "six hundred seventy-two billion, seven hundred eighty-five million, seven hundred fifty-one thousand, one hundred eighty-seven".