26320047 has 32 divisors (see below), whose sum is σ = 39287808. Its totient is φ = 15570816.

The previous prime is 26320043. The next prime is 26320051. The reversal of 26320047 is 74002362.

It is an interprime number because it is at equal distance from previous prime (26320043) and next prime (26320051).

It is not a de Polignac number, because 26320047 - 2² = 26320043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26319999 and 26320026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26320043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 152053 + ... + 152225.

It is an arithmetic number, because the mean of its divisors is an integer number (1227744).

Almost surely, 2^26320047 is an apocalyptic number.

26320047 is a deficient number, since it is larger than the sum of its proper divisors (12967761).

26320047 is a wasteful number, since it uses less digits than its factorization.

26320047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 26320047 is about 5130.3067159771. The cubic root of 26320047 is about 297.4602145323.

The spelling of 26320047 in words is "twenty-six million, three hundred twenty thousand, forty-seven".