7672224134885 has 4 divisors (see below), whose sum is σ = 9206668961868. Its totient is φ = 6137779307904.

The previous prime is 7672224134881. The next prime is 7672224134891. The reversal of 7672224134885 is 5884314222767.

It is a Cunningham number, because it is equal to 2769878²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2761998029476 + 4910226105409 = 1661926^2 + 2215903^2 .

It is a cyclic number.

It is not a de Polignac number, because 7672224134885 - 2² = 7672224134881 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7672224134881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 767222413484 + ... + 767222413493.

It is an arithmetic number, because the mean of its divisors is an integer number (2301667240467).

Almost surely, 2^{7672224134885} is an apocalyptic number.

It is an amenable number.

7672224134885 is a deficient number, since it is larger than the sum of its proper divisors (1534444826983).

7672224134885 is a wasteful number, since it uses less digits than its factorization.

7672224134885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534444826982.

The product of its digits is 36126720, while the sum is 59.

The spelling of 7672224134885 in words is "seven trillion, six hundred seventy-two billion, two hundred twenty-four million, one hundred thirty-four thousand, eight hundred eighty-five".