26858545977 has 16 divisors (see below), whose sum is σ = 37842903360. Its totient is φ = 16897277952.

The previous prime is 26858545969. The next prime is 26858545981. The reversal of 26858545977 is 77954585862.

It is not a de Polignac number, because 26858545977 - 2³ = 26858545969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26858545927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 902088 + ... + 931385.

It is an arithmetic number, because the mean of its divisors is an integer number (2365181460).

Almost surely, 2^26858545977 is an apocalyptic number.

It is an amenable number.

26858545977 is a deficient number, since it is larger than the sum of its proper divisors (10984357383).

26858545977 is a wasteful number, since it uses less digits than its factorization.

26858545977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1833752.

The product of its digits is 169344000, while the sum is 66.

The spelling of 26858545977 in words is "twenty-six billion, eight hundred fifty-eight million, five hundred forty-five thousand, nine hundred seventy-seven".