77477053 has 2 divisors, whose sum is σ = 77477054. Its totient is φ = 77477052.

The previous prime is 77477033. The next prime is 77477063. The reversal of 77477053 is 35077477.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77475204 + 1849 = 8802^2 + 43^2 .

It is a cyclic number.

It is not a de Polignac number, because 77477053 - 2⁹ = 77476541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 77476997 and 77477015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77477033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38738526 + 38738527.

It is an arithmetic number, because the mean of its divisors is an integer number (38738527).

Almost surely, 2^77477053 is an apocalyptic number.

It is an amenable number.

77477053 is a deficient number, since it is larger than the sum of its proper divisors (1).

77477053 is an equidigital number, since it uses as much as digits as its factorization.

77477053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144060, while the sum is 40.

The square root of 77477053 is about 8802.1050323204. The cubic root of 77477053 is about 426.3088655469.

The spelling of 77477053 in words is "seventy-seven million, four hundred seventy-seven thousand, fifty-three".