10780591477 has 2 divisors, whose sum is σ = 10780591478. Its totient is φ = 10780591476.

The previous prime is 10780591453. The next prime is 10780591559. The reversal of 10780591477 is 77419508701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9969822801 + 810768676 = 99849^2 + 28474^2 .

It is a cyclic number.

It is not a de Polignac number, because 10780591477 - 2¹⁵ = 10780558709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10780591477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10780591177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5390295738 + 5390295739.

It is an arithmetic number, because the mean of its divisors is an integer number (5390295739).

Almost surely, 2^10780591477 is an apocalyptic number.

It is an amenable number.

10780591477 is a deficient number, since it is larger than the sum of its proper divisors (1).

10780591477 is an equidigital number, since it uses as much as digits as its factorization.

10780591477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 493920, while the sum is 49.

The spelling of 10780591477 in words is "ten billion, seven hundred eighty million, five hundred ninety-one thousand, four hundred seventy-seven".