2601678947 has 16 divisors (see below), whose sum is σ = 3000410112. Its totient is φ = 2209757760.

The previous prime is 2601678941. The next prime is 2601678953. The reversal of 2601678947 is 7498761062.

It is an interprime number because it is at equal distance from previous prime (2601678941) and next prime (2601678953).

It is not a de Polignac number, because 2601678947 - 2⁴ = 2601678931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2601678895 and 2601678904.

It is not an unprimeable number, because it can be changed into a prime (2601678941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1139447 + ... + 1141727.

It is an arithmetic number, because the mean of its divisors is an integer number (187525632).

Almost surely, 2^2601678947 is an apocalyptic number.

2601678947 is a deficient number, since it is larger than the sum of its proper divisors (398731165).

2601678947 is a wasteful number, since it uses less digits than its factorization.

2601678947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3698.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The square root of 2601678947 is about 51006.6559088125. The cubic root of 2601678947 is about 1375.3647864315.

The spelling of 2601678947 in words is "two billion, six hundred one million, six hundred seventy-eight thousand, nine hundred forty-seven".