53077779459 has 24 divisors (see below), whose sum is σ = 77593868352. Its totient is φ = 34960202160.

The previous prime is 53077779451. The next prime is 53077779463. The reversal of 53077779459 is 95497777035.

53077779459 is a `hidden beast` number, since 530 + 7 + 7 + 7 + 7 + 94 + 5 + 9 = 666.

It is not a de Polignac number, because 53077779459 - 2³ = 53077779451 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53077779396 and 53077779405.

It is not an unprimeable number, because it can be changed into a prime (53077779451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 168472 + ... + 366794.

It is an arithmetic number, because the mean of its divisors is an integer number (3233077848).

Almost surely, 2^53077779459 is an apocalyptic number.

53077779459 is a deficient number, since it is larger than the sum of its proper divisors (24516088893).

53077779459 is a wasteful number, since it uses less digits than its factorization.

53077779459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198687 (or 198684 counting only the distinct ones).

The product of its (nonzero) digits is 58344300, while the sum is 63.

The spelling of 53077779459 in words is "fifty-three billion, seventy-seven million, seven hundred seventy-nine thousand, four hundred fifty-nine".