26077506090 has 64 divisors (see below), whose sum is σ = 64071254016. Its totient is φ = 6789125952.

The previous prime is 26077506089. The next prime is 26077506097. The reversal of 26077506090 is 9060577062.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (26077506097) 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, 4309447 + ... + 4315493.

It is an arithmetic number, because the mean of its divisors is an integer number (1001113344).

Almost surely, 2^26077506090 is an apocalyptic number.

26077506090 is an abundant number, since it is smaller than the sum of its proper divisors (37993747926).

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

26077506090 is a wasteful number, since it uses less digits than its factorization.

26077506090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9443.

The product of its (nonzero) digits is 158760, while the sum is 42.

The spelling of 26077506090 in words is "twenty-six billion, seventy-seven million, five hundred six thousand, ninety".