97420864321 has 32 divisors (see below), whose sum is σ = 113093326080. Its totient is φ = 83066860800.

The previous prime is 97420864291. The next prime is 97420864349. The reversal of 97420864321 is 12346802479.

It is a happy number.

It is not a de Polignac number, because 97420864321 - 2⁷ = 97420864193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97420864361) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7795540 + ... + 7808026.

It is an arithmetic number, because the mean of its divisors is an integer number (3534166440).

Almost surely, 2^97420864321 is an apocalyptic number.

It is an amenable number.

97420864321 is a deficient number, since it is larger than the sum of its proper divisors (15672461759).

97420864321 is a wasteful number, since it uses less digits than its factorization.

97420864321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13225.

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 97420864321 in words is "ninety-seven billion, four hundred twenty million, eight hundred sixty-four thousand, three hundred twenty-one".