1538053877 has 2 divisors, whose sum is σ = 1538053878. Its totient is φ = 1538053876.

The previous prime is 1538053859. The next prime is 1538053879. The reversal of 1538053877 is 7783508351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1518349156 + 19704721 = 38966^2 + 4439^2 .

It is a cyclic number.

It is not a de Polignac number, because 1538053877 - 2²² = 1533859573 is a prime.

It is a super-2 number, since 2×1538053877² = 4731219457109462258, which contains 22 as substring.

Together with 1538053879, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1538053879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 769026938 + 769026939.

It is an arithmetic number, because the mean of its divisors is an integer number (769026939).

Almost surely, 2^1538053877 is an apocalyptic number.

It is an amenable number.

1538053877 is a deficient number, since it is larger than the sum of its proper divisors (1).

1538053877 is an equidigital number, since it uses as much as digits as its factorization.

1538053877 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 705600, while the sum is 47.

The square root of 1538053877 is about 39218.0299989686. The cubic root of 1538053877 is about 1154.3136985876.

The spelling of 1538053877 in words is "one billion, five hundred thirty-eight million, fifty-three thousand, eight hundred seventy-seven".