2077668605 has 16 divisors (see below), whose sum is σ = 2634059520. Its totient is φ = 1570669632.

The previous prime is 2077668589. The next prime is 2077668611. The reversal of 2077668605 is 5068667702.

It is a cyclic number.

It is not a de Polignac number, because 2077668605 - 2⁴ = 2077668589 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a self number, because there is not a number n which added to its sum of digits gives 2077668605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145619 + ... + 159248.

It is an arithmetic number, because the mean of its divisors is an integer number (164628720).

Almost surely, 2^2077668605 is an apocalyptic number.

It is an amenable number.

2077668605 is a deficient number, since it is larger than the sum of its proper divisors (556390915).

2077668605 is a wasteful number, since it uses less digits than its factorization.

2077668605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304948.

The product of its (nonzero) digits is 846720, while the sum is 47.

The square root of 2077668605 is about 45581.4502292325. The cubic root of 2077668605 is about 1276.0237539513.

The spelling of 2077668605 in words is "two billion, seventy-seven million, six hundred sixty-eight thousand, six hundred five".