26961741979 has 16 divisors (see below), whose sum is σ = 27542592000. Its totient is φ = 26388418464.

The previous prime is 26961741971. The next prime is 26961741997. The reversal of 26961741979 is 97914716962.

It is a cyclic number.

It is not a de Polignac number, because 26961741979 - 2³ = 26961741971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26961741971) 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, 4277172 + ... + 4283470.

It is an arithmetic number, because the mean of its divisors is an integer number (1721412000).

Almost surely, 2^26961741979 is an apocalyptic number.

26961741979 is a deficient number, since it is larger than the sum of its proper divisors (580850021).

26961741979 is a wasteful number, since it uses less digits than its factorization.

26961741979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6882.

The product of its digits is 10287648, while the sum is 61.

The spelling of 26961741979 in words is "twenty-six billion, nine hundred sixty-one million, seven hundred forty-one thousand, nine hundred seventy-nine".