1367887057 has 2 divisors, whose sum is σ = 1367887058. Its totient is φ = 1367887056.

The previous prime is 1367887039. The next prime is 1367887111. The reversal of 1367887057 is 7507887631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1150295056 + 217592001 = 33916^2 + 14751^2 .

It is a cyclic number.

It is not a de Polignac number, because 1367887057 - 2²⁷ = 1233669329 is a prime.

It is a super-2 number, since 2×1367887057² = 3742230001416242498, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1367886995 and 1367887013.

It is not a weakly prime, because it can be changed into another prime (1367887657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 683943528 + 683943529.

It is an arithmetic number, because the mean of its divisors is an integer number (683943529).

Almost surely, 2^1367887057 is an apocalyptic number.

It is an amenable number.

1367887057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1367887057 is an equidigital number, since it uses as much as digits as its factorization.

1367887057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1975680, while the sum is 52.

The square root of 1367887057 is about 36984.9571718016. The cubic root of 1367887057 is about 1110.0692695456.

The spelling of 1367887057 in words is "one billion, three hundred sixty-seven million, eight hundred eighty-seven thousand, fifty-seven".