97810071 has 4 divisors (see below), whose sum is σ = 130413432. Its totient is φ = 65206712.

The previous prime is 97810067. The next prime is 97810073. The reversal of 97810071 is 17001879.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17001879 = 3 ⋅5667293.

It is a cyclic number.

It is not a de Polignac number, because 97810071 - 2² = 97810067 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97810073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16301676 + ... + 16301681.

It is an arithmetic number, because the mean of its divisors is an integer number (32603358).

Almost surely, 2^97810071 is an apocalyptic number.

97810071 is a deficient number, since it is larger than the sum of its proper divisors (32603361).

97810071 is a wasteful number, since it uses less digits than its factorization.

97810071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32603360.

The product of its (nonzero) digits is 3528, while the sum is 33.

The square root of 97810071 is about 9889.8974211060. The cubic root of 97810071 is about 460.7455945620.

The spelling of 97810071 in words is "ninety-seven million, eight hundred ten thousand, seventy-one".