97278974662 has 8 divisors (see below), whose sum is σ = 147917345256. Its totient is φ = 47973192912.

The previous prime is 97278974641. The next prime is 97278974677. The reversal of 97278974662 is 26647987279.

It is a happy number.

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

It is a super-2 number, since 2×97278974662² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 333147028 + ... + 333147319.

It is an arithmetic number, because the mean of its divisors is an integer number (18489668157).

Almost surely, 2^97278974662 is an apocalyptic number.

97278974662 is a deficient number, since it is larger than the sum of its proper divisors (50638370594).

97278974662 is a wasteful number, since it uses less digits than its factorization.

97278974662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666294422.

The product of its digits is 128024064, while the sum is 67.

The spelling of 97278974662 in words is "ninety-seven billion, two hundred seventy-eight million, nine hundred seventy-four thousand, six hundred sixty-two".