81754283360 has 48 divisors (see below), whose sum is σ = 194223582000. Its totient is φ = 32519010816.

The previous prime is 81754283257. The next prime is 81754283363. The reversal of 81754283360 is 6338245718.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (81754283363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1398635 + ... + 1455914.

It is an arithmetic number, because the mean of its divisors is an integer number (4046324625).

Almost surely, 2^81754283360 is an apocalyptic number.

81754283360 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

81754283360 is an abundant number, since it is smaller than the sum of its proper divisors (112469298640).

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

81754283360 is a wasteful number, since it uses less digits than its factorization.

81754283360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2854743 (or 2854735 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 81754283360 in words is "eighty-one billion, seven hundred fifty-four million, two hundred eighty-three thousand, three hundred sixty".