26979107672 has 48 divisors (see below), whose sum is σ = 56385882000. Its totient is φ = 12090478400.

The previous prime is 26979107669. The next prime is 26979107689. The reversal of 26979107672 is 27670197962.

It is a congruent number.

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, 127547 + ... + 265002.

It is an arithmetic number, because the mean of its divisors is an integer number (1174705875).

Almost surely, 2^26979107672 is an apocalyptic number.

26979107672 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

26979107672 is an abundant number, since it is smaller than the sum of its proper divisors (29406774328).

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

26979107672 is a wasteful number, since it uses less digits than its factorization.

26979107672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392648 (or 392633 counting only the distinct ones).

The product of its (nonzero) digits is 4000752, while the sum is 56.

The spelling of 26979107672 in words is "twenty-six billion, nine hundred seventy-nine million, one hundred seven thousand, six hundred seventy-two".