97045948847 has 4 divisors (see below), whose sum is σ = 97068226776. Its totient is φ = 97023670920.

The previous prime is 97045948829. The next prime is 97045948873. The reversal of 97045948847 is 74884954079.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97045948847 is a prime.

It is a super-2 number, since 2×97045948847² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97045948147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11132429 + ... + 11141142.

It is an arithmetic number, because the mean of its divisors is an integer number (24267056694).

Almost surely, 2^97045948847 is an apocalyptic number.

97045948847 is a deficient number, since it is larger than the sum of its proper divisors (22277929).

97045948847 is a wasteful number, since it uses less digits than its factorization.

97045948847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22277928.

The product of its (nonzero) digits is 81285120, while the sum is 65.

The spelling of 97045948847 in words is "ninety-seven billion, forty-five million, nine hundred forty-eight thousand, eight hundred forty-seven".