97645769247 has 64 divisors (see below), whose sum is σ = 150431536640. Its totient is φ = 55837900800.

The previous prime is 97645769227. The next prime is 97645769279. The reversal of 97645769247 is 74296754679.

It is not a de Polignac number, because 97645769247 - 2⁷ = 97645769119 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 (97645769227) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11960847 + ... + 11969007.

It is an arithmetic number, because the mean of its divisors is an integer number (2350492760).

Almost surely, 2^97645769247 is an apocalyptic number.

97645769247 is a deficient number, since it is larger than the sum of its proper divisors (52785767393).

97645769247 is a wasteful number, since it uses less digits than its factorization.

97645769247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8504.

The product of its digits is 160030080, while the sum is 66.

The spelling of 97645769247 in words is "ninety-seven billion, six hundred forty-five million, seven hundred sixty-nine thousand, two hundred forty-seven".