81701104 has 10 divisors (see below), whose sum is σ = 158295920. Its totient is φ = 40850544.

The previous prime is 81701101. The next prime is 81701111. The reversal of 81701104 is 40110718.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (81701101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2553144 + ... + 2553175.

It is an arithmetic number, because the mean of its divisors is an integer number (15829592).

Almost surely, 2^81701104 is an apocalyptic number.

It is an amenable number.

81701104 is a deficient number, since it is larger than the sum of its proper divisors (76594816).

81701104 is a wasteful number, since it uses less digits than its factorization.

81701104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5106327 (or 5106321 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 22.

The square root of 81701104 is about 9038.8663005932. The cubic root of 81701104 is about 433.9196408091.

The spelling of 81701104 in words is "eighty-one million, seven hundred one thousand, one hundred four".