97704044081 has 8 divisors (see below), whose sum is σ = 111678551424. Its totient is φ = 83733733440.

The previous prime is 97704044063. The next prime is 97704044083. The reversal of 97704044081 is 18044040779.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-97704044081 is a prime.

It is a super-2 number, since 2×97704044081² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97704044083) 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, 999125 + ... + 1092546.

It is an arithmetic number, because the mean of its divisors is an integer number (13959818928).

Almost surely, 2^97704044081 is an apocalyptic number.

It is an amenable number.

97704044081 is a deficient number, since it is larger than the sum of its proper divisors (13974507343).

97704044081 is a wasteful number, since it uses less digits than its factorization.

97704044081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2098351.

The product of its (nonzero) digits is 225792, while the sum is 44.

The spelling of 97704044081 in words is "ninety-seven billion, seven hundred four million, forty-four thousand, eighty-one".