672617895851 has 8 divisors (see below), whose sum is σ = 733783809024. Its totient is φ = 611455121320.

The previous prime is 672617895839. The next prime is 672617895869. The reversal of 672617895851 is 158598716276.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 672617895851 - 2¹⁸ = 672617633707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (672617897851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324851 + ... + 1204476.

It is an arithmetic number, because the mean of its divisors is an integer number (91722976128).

Almost surely, 2^672617895851 is an apocalyptic number.

672617895851 is a deficient number, since it is larger than the sum of its proper divisors (61165913173).

672617895851 is a wasteful number, since it uses less digits than its factorization.

672617895851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569321.

The product of its digits is 50803200, while the sum is 65.

The spelling of 672617895851 in words is "six hundred seventy-two billion, six hundred seventeen million, eight hundred ninety-five thousand, eight hundred fifty-one".