26378079 has 32 divisors (see below), whose sum is σ = 45179904. Its totient is φ = 13305600.

The previous prime is 26378071. The next prime is 26378089. The reversal of 26378079 is 97087362.

It is not a de Polignac number, because 26378079 - 2³ = 26378071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26378079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26378071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4179 + ... + 8379.

It is an arithmetic number, because the mean of its divisors is an integer number (1411872).

Almost surely, 2^26378079 is an apocalyptic number.

26378079 is a deficient number, since it is larger than the sum of its proper divisors (18801825).

26378079 is a wasteful number, since it uses less digits than its factorization.

26378079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4247.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 26378079 is about 5135.9594040452. The cubic root of 26378079 is about 297.6786733591.

The spelling of 26378079 in words is "twenty-six million, three hundred seventy-eight thousand, seventy-nine".