97195761439 has 8 divisors (see below), whose sum is σ = 111115064448. Its totient is φ = 83285007000.

The previous prime is 97195761437. The next prime is 97195761457. The reversal of 97195761439 is 93416759179.

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

It is a cyclic number.

It is not a de Polignac number, because 97195761439 - 2¹ = 97195761437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97195761437) 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, 2112757 + ... + 2158270.

It is an arithmetic number, because the mean of its divisors is an integer number (13889383056).

Almost surely, 2^97195761439 is an apocalyptic number.

97195761439 is a deficient number, since it is larger than the sum of its proper divisors (13919303009).

97195761439 is a wasteful number, since it uses less digits than its factorization.

97195761439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4274285.

The product of its digits is 12859560, while the sum is 61.

The spelling of 97195761439 in words is "ninety-seven billion, one hundred ninety-five million, seven hundred sixty-one thousand, four hundred thirty-nine".