1387067707 has 2 divisors, whose sum is σ = 1387067708. Its totient is φ = 1387067706.

The previous prime is 1387067687. The next prime is 1387067743. The reversal of 1387067707 is 7077607831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1387067707 - 2²⁷ = 1252849979 is a prime.

It is not a weakly prime, because it can be changed into another prime (1387067107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 693533853 + 693533854.

It is an arithmetic number, because the mean of its divisors is an integer number (693533854).

Almost surely, 2^1387067707 is an apocalyptic number.

1387067707 is a deficient number, since it is larger than the sum of its proper divisors (1).

1387067707 is an equidigital number, since it uses as much as digits as its factorization.

1387067707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 345744, while the sum is 46.

The square root of 1387067707 is about 37243.3578910388. The cubic root of 1387067707 is about 1115.2337064993.

The spelling of 1387067707 in words is "one billion, three hundred eighty-seven million, sixty-seven thousand, seven hundred seven".