97272966927278 has 4 divisors (see below), whose sum is σ = 145909450390920. Its totient is φ = 48636483463638.

The previous prime is 97272966927247. The next prime is 97272966927299. The reversal of 97272966927278 is 87272966927279.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 97272966927196 and 97272966927205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24318241731818 + ... + 24318241731821.

It is an arithmetic number, because the mean of its divisors is an integer number (36477362597730).

Almost surely, 2^{97272966927278} is an apocalyptic number.

97272966927278 is a deficient number, since it is larger than the sum of its proper divisors (48636483463642).

97272966927278 is a wasteful number, since it uses less digits than its factorization.

97272966927278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48636483463641.

The product of its digits is 8065516032, while the sum is 83.

Subtracting from 97272966927278 its reverse (87272966927279), we obtain a palindrome (9999999999999).

The spelling of 97272966927278 in words is "ninety-seven trillion, two hundred seventy-two billion, nine hundred sixty-six million, nine hundred twenty-seven thousand, two hundred seventy-eight".