26771097261 has 8 divisors (see below), whose sum is σ = 37573469920. Its totient is φ = 16908061392.

The previous prime is 26771097257. The next prime is 26771097277. The reversal of 26771097261 is 16279017762.

It is a happy number.

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

It is not a de Polignac number, because 26771097261 - 2² = 26771097257 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 26771097261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26771095261) 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, 234834130 + ... + 234834243.

It is an arithmetic number, because the mean of its divisors is an integer number (4696683740).

Almost surely, 2^26771097261 is an apocalyptic number.

It is an amenable number.

26771097261 is a deficient number, since it is larger than the sum of its proper divisors (10802372659).

26771097261 is a wasteful number, since it uses less digits than its factorization.

26771097261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469668395.

The product of its (nonzero) digits is 444528, while the sum is 48.

The spelling of 26771097261 in words is "twenty-six billion, seven hundred seventy-one million, ninety-seven thousand, two hundred sixty-one".