117228902387 has 2 divisors, whose sum is σ = 117228902388. Its totient is φ = 117228902386.

The previous prime is 117228902383. The next prime is 117228902411. The reversal of 117228902387 is 783209822711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117228902387 - 2² = 117228902383 is a prime.

It is not a weakly prime, because it can be changed into another prime (117228902383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58614451193 + 58614451194.

It is an arithmetic number, because the mean of its divisors is an integer number (58614451194).

Almost surely, 2^117228902387 is an apocalyptic number.

117228902387 is a deficient number, since it is larger than the sum of its proper divisors (1).

117228902387 is an equidigital number, since it uses as much as digits as its factorization.

117228902387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 677376, while the sum is 50.

The spelling of 117228902387 in words is "one hundred seventeen billion, two hundred twenty-eight million, nine hundred two thousand, three hundred eighty-seven".