26988933258 has 24 divisors (see below), whose sum is σ = 66829739808. Its totient is φ = 7711123752.

The previous prime is 26988933241. The next prime is 26988933277. The reversal of 26988933258 is 85233988962.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 26988933195 and 26988933204.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107098816 + ... + 107099067.

It is an arithmetic number, because the mean of its divisors is an integer number (2784572492).

Almost surely, 2^26988933258 is an apocalyptic number.

26988933258 is an abundant number, since it is smaller than the sum of its proper divisors (39840806550).

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

26988933258 is a wasteful number, since it uses less digits than its factorization.

26988933258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214197898 (or 214197895 counting only the distinct ones).

The product of its digits is 44789760, while the sum is 63.

The spelling of 26988933258 in words is "twenty-six billion, nine hundred eighty-eight million, nine hundred thirty-three thousand, two hundred fifty-eight".