26376428878 has 4 divisors (see below), whose sum is σ = 39564643320. Its totient is φ = 13188214438.

The previous prime is 26376428809. The next prime is 26376428879. The reversal of 26376428878 is 87882467362.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26376428879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6594107218 + ... + 6594107221.

It is an arithmetic number, because the mean of its divisors is an integer number (9891160830).

Almost surely, 2^26376428878 is an apocalyptic number.

26376428878 is a deficient number, since it is larger than the sum of its proper divisors (13188214442).

26376428878 is a wasteful number, since it uses less digits than its factorization.

26376428878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13188214441.

The product of its digits is 43352064, while the sum is 61.

The spelling of 26376428878 in words is "twenty-six billion, three hundred seventy-six million, four hundred twenty-eight thousand, eight hundred seventy-eight".