2678652968 has 8 divisors (see below), whose sum is σ = 5022474330. Its totient is φ = 1339326480.

The previous prime is 2678652961. The next prime is 2678652971. The reversal of 2678652968 is 8692568762.

It can be written as a sum of positive squares in only one way, i.e., 2489810404 + 188842564 = 49898^2 + 13742^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (2678652961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167415803 + ... + 167415818.

Almost surely, 2^2678652968 is an apocalyptic number.

It is an amenable number.

2678652968 is a deficient number, since it is larger than the sum of its proper divisors (2343821362).

2678652968 is a wasteful number, since it uses less digits than its factorization.

2678652968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334831627 (or 334831623 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 59.

The square root of 2678652968 is about 51755.7046904010. The cubic root of 2678652968 is about 1388.7971527373.

The spelling of 2678652968 in words is "two billion, six hundred seventy-eight million, six hundred fifty-two thousand, nine hundred sixty-eight".