26783632770 has 48 divisors (see below), whose sum is σ = 68284384128. Its totient is φ = 6722164480.

The previous prime is 26783632763. The next prime is 26783632781. The reversal of 26783632770 is 7723638762.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1535946 + ... + 1553285.

It is an arithmetic number, because the mean of its divisors is an integer number (1422591336).

Almost surely, 2^26783632770 is an apocalyptic number.

26783632770 is an abundant number, since it is smaller than the sum of its proper divisors (41500751358).

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

26783632770 is a wasteful number, since it uses less digits than its factorization.

26783632770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3089275 (or 3089258 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 51.

The spelling of 26783632770 in words is "twenty-six billion, seven hundred eighty-three million, six hundred thirty-two thousand, seven hundred seventy".