26004428247 has 16 divisors (see below), whose sum is σ = 39670497792. Its totient is φ = 14842909920.

The previous prime is 26004428207. The next prime is 26004428251. The reversal of 26004428247 is 74282440062.

It is not a de Polignac number, because 26004428247 - 2¹⁴ = 26004411863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26004428207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 679404 + ... + 716657.

It is an arithmetic number, because the mean of its divisors is an integer number (2479406112).

Almost surely, 2^26004428247 is an apocalyptic number.

26004428247 is a deficient number, since it is larger than the sum of its proper divisors (13666069545).

26004428247 is a wasteful number, since it uses less digits than its factorization.

26004428247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396958.

The product of its (nonzero) digits is 172032, while the sum is 39.

The spelling of 26004428247 in words is "twenty-six billion, four million, four hundred twenty-eight thousand, two hundred forty-seven".