13782638087 has 2 divisors, whose sum is σ = 13782638088. Its totient is φ = 13782638086.

The previous prime is 13782638083. The next prime is 13782638143. The reversal of 13782638087 is 78083628731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13782638087 - 2² = 13782638083 is a prime.

It is a super-2 number, since 2×13782638087² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13782638083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6891319043 + 6891319044.

It is an arithmetic number, because the mean of its divisors is an integer number (6891319044).

Almost surely, 2^13782638087 is an apocalyptic number.

13782638087 is a deficient number, since it is larger than the sum of its proper divisors (1).

13782638087 is an equidigital number, since it uses as much as digits as its factorization.

13782638087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2709504, while the sum is 53.

The spelling of 13782638087 in words is "thirteen billion, seven hundred eighty-two million, six hundred thirty-eight thousand, eighty-seven".