97409627971 has 4 divisors (see below), whose sum is σ = 97608018744. Its totient is φ = 97211237200.

The previous prime is 97409627951. The next prime is 97409627999. The reversal of 97409627971 is 17972690479.

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 97409627971 - 2¹³ = 97409619779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97409627911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99194650 + ... + 99195631.

It is an arithmetic number, because the mean of its divisors is an integer number (24402004686).

Almost surely, 2^97409627971 is an apocalyptic number.

97409627971 is a deficient number, since it is larger than the sum of its proper divisors (198390773).

97409627971 is a wasteful number, since it uses less digits than its factorization.

97409627971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198390772.

The product of its (nonzero) digits is 12002256, while the sum is 61.

The spelling of 97409627971 in words is "ninety-seven billion, four hundred nine million, six hundred twenty-seven thousand, nine hundred seventy-one".