26780858034 has 64 divisors (see below), whose sum is σ = 61497556992. Its totient is φ = 7616232000.

The previous prime is 26780858029. The next prime is 26780858053. The reversal of 26780858034 is 43085808762.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13725759 + ... + 13727709.

It is an arithmetic number, because the mean of its divisors is an integer number (960899328).

Almost surely, 2^26780858034 is an apocalyptic number.

26780858034 is an abundant number, since it is smaller than the sum of its proper divisors (34716698958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26780858034 is a wasteful number, since it uses less digits than its factorization.

26780858034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3311.

The product of its (nonzero) digits is 2580480, while the sum is 51.

The spelling of 26780858034 in words is "twenty-six billion, seven hundred eighty million, eight hundred fifty-eight thousand, thirty-four".