97397027851 has 4 divisors (see below), whose sum is σ = 97399011592. Its totient is φ = 97395044112.

The previous prime is 97397027813. The next prime is 97397027857. The reversal of 97397027851 is 15872079379.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97397027851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97397027857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 916305 + ... + 1017058.

It is an arithmetic number, because the mean of its divisors is an integer number (24349752898).

Almost surely, 2^97397027851 is an apocalyptic number.

97397027851 is a deficient number, since it is larger than the sum of its proper divisors (1983741).

97397027851 is a wasteful number, since it uses less digits than its factorization.

97397027851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1983740.

The product of its (nonzero) digits is 6667920, while the sum is 58.

The spelling of 97397027851 in words is "ninety-seven billion, three hundred ninety-seven million, twenty-seven thousand, eight hundred fifty-one".