97001871 has 4 divisors (see below), whose sum is σ = 129335832. Its totient is φ = 64667912.

The previous prime is 97001857. The next prime is 97001873. The reversal of 97001871 is 17810079.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 97001871 - 2¹⁰ = 97000847 is a prime.

It is a super-4 number, since 4×97001871⁴ (a number of 33 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97001873) 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, 16166976 + ... + 16166981.

It is an arithmetic number, because the mean of its divisors is an integer number (32333958).

Almost surely, 2^97001871 is an apocalyptic number.

97001871 is a deficient number, since it is larger than the sum of its proper divisors (32333961).

97001871 is a wasteful number, since it uses less digits than its factorization.

97001871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32333960.

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

The square root of 97001871 is about 9848.9527869718. The cubic root of 97001871 is about 459.4730433891.

The spelling of 97001871 in words is "ninety-seven million, one thousand, eight hundred seventy-one".