2117606678 has 8 divisors (see below), whose sum is σ = 3465174600. Its totient is φ = 962548480.

The previous prime is 2117606627. The next prime is 2117606723. The reversal of 2117606678 is 8766067112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-4 number, since 4×2117606678⁴ (a number of 38 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48127403 + ... + 48127446.

It is an arithmetic number, because the mean of its divisors is an integer number (433146825).

Almost surely, 2^2117606678 is an apocalyptic number.

2117606678 is a deficient number, since it is larger than the sum of its proper divisors (1347567922).

2117606678 is a wasteful number, since it uses less digits than its factorization.

2117606678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96254862.

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 2117606678 is about 46017.4605774808. The cubic root of 2117606678 is about 1284.1480578840.

The spelling of 2117606678 in words is "two billion, one hundred seventeen million, six hundred six thousand, six hundred seventy-eight".