1047877477 has 2 divisors, whose sum is σ = 1047877478. Its totient is φ = 1047877476.

The previous prime is 1047877471. The next prime is 1047877487. The reversal of 1047877477 is 7747787401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1047752161 + 125316 = 32369^2 + 354^2 .

It is a cyclic number.

It is not a de Polignac number, because 1047877477 - 2⁷ = 1047877349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1047877471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 523938738 + 523938739.

It is an arithmetic number, because the mean of its divisors is an integer number (523938739).

Almost surely, 2^1047877477 is an apocalyptic number.

It is an amenable number.

1047877477 is a deficient number, since it is larger than the sum of its proper divisors (1).

1047877477 is an equidigital number, since it uses as much as digits as its factorization.

1047877477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2151296, while the sum is 52.

The square root of 1047877477 is about 32370.9356831093. The cubic root of 1047877477 is about 1015.7110298559.

The spelling of 1047877477 in words is "one billion, forty-seven million, eight hundred seventy-seven thousand, four hundred seventy-seven".