137777038707899 has 2 divisors, whose sum is σ = 137777038707900. Its totient is φ = 137777038707898.

The previous prime is 137777038707851. The next prime is 137777038707949. The reversal of 137777038707899 is 998707830777731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 137777038707899 - 2³² = 137772743740603 is a prime.

It is not a weakly prime, because it can be changed into another prime (137777038707839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68888519353949 + 68888519353950.

It is an arithmetic number, because the mean of its divisors is an integer number (68888519353950).

Almost surely, 2^{137777038707899} is an apocalyptic number.

137777038707899 is a deficient number, since it is larger than the sum of its proper divisors (1).

137777038707899 is an equidigital number, since it uses as much as digits as its factorization.

137777038707899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5489031744, while the sum is 83.

The spelling of 137777038707899 in words is "one hundred thirty-seven trillion, seven hundred seventy-seven billion, thirty-eight million, seven hundred seven thousand, eight hundred ninety-nine".