26406562871 has 8 divisors (see below), whose sum is σ = 28442308944. Its totient is φ = 24371455680.

The previous prime is 26406562829. The next prime is 26406562883. The reversal of 26406562871 is 17826560462.

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

It is not a de Polignac number, because 26406562871 - 2⁶ = 26406562807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26406562811) 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, 72086 + ... + 240851.

It is an arithmetic number, because the mean of its divisors is an integer number (3555288618).

Almost surely, 2^26406562871 is an apocalyptic number.

26406562871 is a deficient number, since it is larger than the sum of its proper divisors (2035746073).

26406562871 is a wasteful number, since it uses less digits than its factorization.

26406562871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319441.

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 26406562871 in words is "twenty-six billion, four hundred six million, five hundred sixty-two thousand, eight hundred seventy-one".