26977085299 has 4 divisors (see below), whose sum is σ = 27020667640. Its totient is φ = 26933502960.

The previous prime is 26977085279. The next prime is 26977085353. The reversal of 26977085299 is 99258077962.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26977085299 - 2¹³ = 26977077107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26977085299.

It is not an unprimeable number, because it can be changed into a prime (26977085279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21790242 + ... + 21791479.

It is an arithmetic number, because the mean of its divisors is an integer number (6755166910).

Almost surely, 2^26977085299 is an apocalyptic number.

26977085299 is a deficient number, since it is larger than the sum of its proper divisors (43582341).

26977085299 is an equidigital number, since it uses as much as digits as its factorization.

26977085299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43582340.

The product of its (nonzero) digits is 34292160, while the sum is 64.

The spelling of 26977085299 in words is "twenty-six billion, nine hundred seventy-seven million, eighty-five thousand, two hundred ninety-nine".