97055247789 has 32 divisors (see below), whose sum is σ = 144775071360. Its totient is φ = 64259040384.

The previous prime is 97055247781. The next prime is 97055247799. The reversal of 97055247789 is 98774255079.

97055247789 is a `hidden beast` number, since 9 + 7 + 0 + 552 + 4 + 7 + 78 + 9 = 666.

It is not a de Polignac number, because 97055247789 - 2³ = 97055247781 is a prime.

It is a super-2 number, since 2×97055247789² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97055247781) 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, 4440562 + ... + 4462364.

It is an arithmetic number, because the mean of its divisors is an integer number (4524220980).

Almost surely, 2^97055247789 is an apocalyptic number.

It is an amenable number.

97055247789 is a deficient number, since it is larger than the sum of its proper divisors (47719823571).

97055247789 is a wasteful number, since it uses less digits than its factorization.

97055247789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22938 (or 22932 counting only the distinct ones).

The product of its (nonzero) digits is 44452800, while the sum is 63.

The spelling of 97055247789 in words is "ninety-seven billion, fifty-five million, two hundred forty-seven thousand, seven hundred eighty-nine".