76672626553 has 4 divisors (see below), whose sum is σ = 77463066100. Its totient is φ = 75882187008.

The previous prime is 76672626497. The next prime is 76672626559. The reversal of 76672626553 is 35562627667.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35562627667 = 7 ⋅5080375381.

It can be written as a sum of positive squares in 2 ways, for example, as 50138822889 + 26533803664 = 223917^2 + 162892^2 .

It is a cyclic number.

It is not a de Polignac number, because 76672626553 - 2²¹ = 76670529401 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 76672626494 and 76672626503.

It is not an unprimeable number, because it can be changed into a prime (76672626559) 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, 395219628 + ... + 395219821.

It is an arithmetic number, because the mean of its divisors is an integer number (19365766525).

Almost surely, 2^76672626553 is an apocalyptic number.

It is an amenable number.

76672626553 is a deficient number, since it is larger than the sum of its proper divisors (790439547).

76672626553 is an equidigital number, since it uses as much as digits as its factorization.

76672626553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790439546.

The product of its digits is 19051200, while the sum is 55.

The spelling of 76672626553 in words is "seventy-six billion, six hundred seventy-two million, six hundred twenty-six thousand, five hundred fifty-three".