116678407 has 4 divisors (see below), whose sum is σ = 117517960. Its totient is φ = 115838856.

The previous prime is 116678381. The next prime is 116678447. The reversal of 116678407 is 704876611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 704876611 = 19 ⋅37098769.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116678407 is a prime.

It is a super-2 number, since 2×116678407² = 27227701320115298, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 116678407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116678447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 419568 + ... + 419845.

It is an arithmetic number, because the mean of its divisors is an integer number (29379490).

Almost surely, 2^116678407 is an apocalyptic number.

116678407 is a deficient number, since it is larger than the sum of its proper divisors (839553).

116678407 is an equidigital number, since it uses as much as digits as its factorization.

116678407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839552.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 116678407 is about 10801.7779555034. Note that the first 3 decimals coincide. The cubic root of 116678407 is about 488.6487930019.

The spelling of 116678407 in words is "one hundred sixteen million, six hundred seventy-eight thousand, four hundred seven".