117678601 has 2 divisors, whose sum is σ = 117678602. Its totient is φ = 117678600.

The previous prime is 117678593. The next prime is 117678619. The reversal of 117678601 is 106876711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107661376 + 10017225 = 10376^2 + 3165^2 .

It is a cyclic number.

It is not a de Polignac number, because 117678601 - 2³ = 117678593 is a prime.

It is equal to p_6716944 and since 117678601 and 6716944 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (117678101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58839300 + 58839301.

It is an arithmetic number, because the mean of its divisors is an integer number (58839301).

Almost surely, 2^117678601 is an apocalyptic number.

It is an amenable number.

117678601 is a deficient number, since it is larger than the sum of its proper divisors (1).

117678601 is an equidigital number, since it uses as much as digits as its factorization.

117678601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 37.

The square root of 117678601 is about 10847.9768159782. The cubic root of 117678601 is about 490.0410919308.

The spelling of 117678601 in words is "one hundred seventeen million, six hundred seventy-eight thousand, six hundred one".