26077682091 has 8 divisors (see below), whose sum is σ = 34773526480. Its totient is φ = 17383479552.

The previous prime is 26077682069. The next prime is 26077682101. The reversal of 26077682091 is 19028677062.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 26077682091 - 2²¹ = 26075584939 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 26077682091.

It is not an unprimeable number, because it can be changed into a prime (26077682021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372910 + ... + 437283.

It is an arithmetic number, because the mean of its divisors is an integer number (4346690810).

Almost surely, 2^26077682091 is an apocalyptic number.

26077682091 is a deficient number, since it is larger than the sum of its proper divisors (8695844389).

26077682091 is a wasteful number, since it uses less digits than its factorization.

26077682091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820925.

The product of its (nonzero) digits is 508032, while the sum is 48.

The spelling of 26077682091 in words is "twenty-six billion, seventy-seven million, six hundred eighty-two thousand, ninety-one".