117236437379 has 2 divisors, whose sum is σ = 117236437380. Its totient is φ = 117236437378.

The previous prime is 117236437369. The next prime is 117236437397. The reversal of 117236437379 is 973734632711.

It is a happy number.

Together with next prime (117236437397) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117236437379 - 2⁴ = 117236437363 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 117236437379.

It is not a weakly prime, because it can be changed into another prime (117236437319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58618218689 + 58618218690.

It is an arithmetic number, because the mean of its divisors is an integer number (58618218690).

Almost surely, 2^117236437379 is an apocalyptic number.

117236437379 is a deficient number, since it is larger than the sum of its proper divisors (1).

117236437379 is an equidigital number, since it uses as much as digits as its factorization.

117236437379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4000752, while the sum is 53.

The spelling of 117236437379 in words is "one hundred seventeen billion, two hundred thirty-six million, four hundred thirty-seven thousand, three hundred seventy-nine".