97234451783557 has 16 divisors (see below), whose sum is σ = 107359973404992. Its totient is φ = 87323427089920.

The previous prime is 97234451783537. The next prime is 97234451783563. The reversal of 97234451783557 is 75538715443279.

It is a cyclic number.

It is not a de Polignac number, because 97234451783557 - 2³¹ = 97232304299909 is a prime.

It is a super-2 number, since 2×97234451783557² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97234451783537) 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, 8256693 + ... + 16206229.

It is an arithmetic number, because the mean of its divisors is an integer number (6709998337812).

Almost surely, 2^{97234451783557} is an apocalyptic number.

It is an amenable number.

97234451783557 is a deficient number, since it is larger than the sum of its proper divisors (10125521621435).

97234451783557 is a wasteful number, since it uses less digits than its factorization.

97234451783557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7963028.

The product of its digits is 889056000, while the sum is 70.

The spelling of 97234451783557 in words is "ninety-seven trillion, two hundred thirty-four billion, four hundred fifty-one million, seven hundred eighty-three thousand, five hundred fifty-seven".