26978887962 has 48 divisors (see below), whose sum is σ = 62997735528. Its totient is φ = 8294999040.

The previous prime is 26978887951. The next prime is 26978887963.

26978887962 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 18089981001 + 8888906961 = 134499^2 + 94281^2 .

It is a super-3 number, since 3×26978887962³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (26978887963) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 276118 + ... + 360830.

Almost surely, 2^26978887962 is an apocalyptic number.

26978887962 is an abundant number, since it is smaller than the sum of its proper divisors (36018847566).

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

26978887962 is a wasteful number, since it uses less digits than its factorization.

26978887962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86095 (or 86092 counting only the distinct ones).

The product of its digits is 292626432, while the sum is 72.

The spelling of 26978887962 in words is "twenty-six billion, nine hundred seventy-eight million, eight hundred eighty-seven thousand, nine hundred sixty-two".