44677877877617 has 2 divisors, whose sum is σ = 44677877877618. Its totient is φ = 44677877877616.

The previous prime is 44677877877599. The next prime is 44677877877709. The reversal of 44677877877617 is 71677877877644.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26461106369296 + 18216771508321 = 5144036^2 + 4268111^2 .

It is a cyclic number.

It is not a de Polignac number, because 44677877877617 - 2¹⁶ = 44677877812081 is a prime.

It is a super-2 number, since 2×44677877877617² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (44677877807617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22338938938808 + 22338938938809.

It is an arithmetic number, because the mean of its divisors is an integer number (22338938938809).

Almost surely, 2^{44677877877617} is an apocalyptic number.

It is an amenable number.

44677877877617 is a deficient number, since it is larger than the sum of its proper divisors (1).

44677877877617 is an equidigital number, since it uses as much as digits as its factorization.

44677877877617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30359089152, while the sum is 86.

The spelling of 44677877877617 in words is "forty-four trillion, six hundred seventy-seven billion, eight hundred seventy-seven million, eight hundred seventy-seven thousand, six hundred seventeen".