97234451783555 has 32 divisors (see below), whose sum is σ = 117318199113024. Its totient is φ = 77364199858176.

The previous prime is 97234451783537. The next prime is 97234451783563. The reversal of 97234451783555 is 55538715443279.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97234451783555 is a prime.

It is a super-2 number, since 2×97234451783555² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7994275904 + ... + 7994288066.

It is an arithmetic number, because the mean of its divisors is an integer number (3666193722282).

Almost surely, 2^{97234451783555} is an apocalyptic number.

97234451783555 is a deficient number, since it is larger than the sum of its proper divisors (20083747329469).

97234451783555 is a wasteful number, since it uses less digits than its factorization.

97234451783555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23895.

The product of its digits is 635040000, while the sum is 68.

The spelling of 97234451783555 in words is "ninety-seven trillion, two hundred thirty-four billion, four hundred fifty-one million, seven hundred eighty-three thousand, five hundred fifty-five".