26461577 has 6 divisors (see below), whose sum is σ = 26654238. Its totient is φ = 26269824.

The previous prime is 26461541. The next prime is 26461579. The reversal of 26461577 is 77516462.

It can be written as a sum of positive squares in 3 ways, for example, as 841 + 26460736 = 29^2 + 5144^2 .

It is not a de Polignac number, because 26461577 - 2²⁰ = 25413001 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 26461577.

It is not an unprimeable number, because it can be changed into a prime (26461579) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78353 + ... + 78689.

It is an arithmetic number, because the mean of its divisors is an integer number (4442373).

Almost surely, 2^26461577 is an apocalyptic number.

It is an amenable number.

26461577 is a deficient number, since it is larger than the sum of its proper divisors (192661).

26461577 is an frugal number, since it uses more digits than its factorization.

26461577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907 (or 570 counting only the distinct ones).

The product of its digits is 70560, while the sum is 38.

The square root of 26461577 is about 5144.0817450737. The cubic root of 26461577 is about 297.9924363349.

The spelling of 26461577 in words is "twenty-six million, four hundred sixty-one thousand, five hundred seventy-seven".