26461077461 has 24 divisors (see below), whose sum is σ = 33490863000. Its totient is φ = 20720351232.

The previous prime is 26461077443. The next prime is 26461077493. The reversal of 26461077461 is 16477016462.

It can be written as a sum of positive squares in 4 ways, for example, as 53202436 + 26407875025 = 7294^2 + 162505^2 .

It is a de Polignac number, because none of the positive numbers 2^k-26461077461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26461079461) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 152336 + ... + 275913.

It is an arithmetic number, because the mean of its divisors is an integer number (1395452625).

Almost surely, 2^26461077461 is an apocalyptic number.

It is an amenable number.

26461077461 is a deficient number, since it is larger than the sum of its proper divisors (7029785539).

26461077461 is a wasteful number, since it uses less digits than its factorization.

26461077461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428373 (or 428366 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 44.

The spelling of 26461077461 in words is "twenty-six billion, four hundred sixty-one million, seventy-seven thousand, four hundred sixty-one".