117976619 has 2 divisors, whose sum is σ = 117976620. Its totient is φ = 117976618.

The previous prime is 117976613. The next prime is 117976673. The reversal of 117976619 is 916679711.

It is a weak prime.

It is an emirp because it is prime and its reverse (916679711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117976619 - 2⁸ = 117976363 is a prime.

It is a super-2 number, since 2×117976619² = 27836965261342322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (117976613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58988309 + 58988310.

It is an arithmetic number, because the mean of its divisors is an integer number (58988310).

Almost surely, 2^117976619 is an apocalyptic number.

117976619 is a deficient number, since it is larger than the sum of its proper divisors (1).

117976619 is an equidigital number, since it uses as much as digits as its factorization.

117976619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 142884, while the sum is 47.

The square root of 117976619 is about 10861.7042401273. The cubic root of 117976619 is about 490.4544153284.

The spelling of 117976619 in words is "one hundred seventeen million, nine hundred seventy-six thousand, six hundred nineteen".