97247845545 has 16 divisors (see below), whose sum is σ = 155748973632. Its totient is φ = 51814710720.

The previous prime is 97247845537. The next prime is 97247845547. The reversal of 97247845545 is 54554874279.

It is not a de Polignac number, because 97247845545 - 2³ = 97247845537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97247845547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3159607 + ... + 3190236.

It is an arithmetic number, because the mean of its divisors is an integer number (9734310852).

Almost surely, 2^97247845545 is an apocalyptic number.

It is an amenable number.

97247845545 is a deficient number, since it is larger than the sum of its proper divisors (58501128087).

97247845545 is a wasteful number, since it uses less digits than its factorization.

97247845545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6350872.

The product of its digits is 56448000, while the sum is 60.

The spelling of 97247845545 in words is "ninety-seven billion, two hundred forty-seven million, eight hundred forty-five thousand, five hundred forty-five".