81004264270 has 16 divisors (see below), whose sum is σ = 153481764240. Its totient is φ = 30696352704.

The previous prime is 81004264247. The next prime is 81004264303. The reversal of 81004264270 is 7246240018.

It is a happy number.

It is a congruent 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, 213168927 + ... + 213169306.

It is an arithmetic number, because the mean of its divisors is an integer number (9592610265).

Almost surely, 2^81004264270 is an apocalyptic number.

81004264270 is a deficient number, since it is larger than the sum of its proper divisors (72477499970).

81004264270 is a wasteful number, since it uses less digits than its factorization.

81004264270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426338259.

The product of its (nonzero) digits is 21504, while the sum is 34.

The spelling of 81004264270 in words is "eighty-one billion, four million, two hundred sixty-four thousand, two hundred seventy".