26357647812 has 24 divisors (see below), whose sum is σ = 61522935936. Its totient is φ = 8782774368.

The previous prime is 26357647763. The next prime is 26357647831. The reversal of 26357647812 is 21874675362.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353068 + ... + 421155.

It is an arithmetic number, because the mean of its divisors is an integer number (2563455664).

Almost surely, 2^26357647812 is an apocalyptic number.

It is an amenable number.

26357647812 is an abundant number, since it is smaller than the sum of its proper divisors (35165288124).

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

26357647812 is a wasteful number, since it uses less digits than its factorization.

26357647812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777067 (or 777065 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 51.

The spelling of 26357647812 in words is "twenty-six billion, three hundred fifty-seven million, six hundred forty-seven thousand, eight hundred twelve".