2078668965 has 32 divisors (see below), whose sum is σ = 3529650816. Its totient is φ = 1040998400.

The previous prime is 2078668927. The next prime is 2078668973. The reversal of 2078668965 is 5698668702.

It is not a de Polignac number, because 2078668965 - 2¹² = 2078664869 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103765 + ... + 122165.

It is an arithmetic number, because the mean of its divisors is an integer number (110301588).

Almost surely, 2^2078668965 is an apocalyptic number.

It is an amenable number.

2078668965 is a deficient number, since it is larger than the sum of its proper divisors (1450981851).

2078668965 is a wasteful number, since it uses less digits than its factorization.

2078668965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18869.

The product of its (nonzero) digits is 8709120, while the sum is 57.

The square root of 2078668965 is about 45592.4222322087. The cubic root of 2078668965 is about 1276.2285152410.

The spelling of 2078668965 in words is "two billion, seventy-eight million, six hundred sixty-eight thousand, nine hundred sixty-five".