97873887775 has 24 divisors (see below), whose sum is σ = 129585456000. Its totient is φ = 73153043040.

The previous prime is 97873887773. The next prime is 97873887803. The reversal of 97873887775 is 57778837879.

It is not a de Polignac number, because 97873887775 - 2¹ = 97873887773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97873887773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1954525 + ... + 2003974.

It is an arithmetic number, because the mean of its divisors is an integer number (5399394000).

Almost surely, 2^97873887775 is an apocalyptic number.

97873887775 is a deficient number, since it is larger than the sum of its proper divisors (31711568225).

97873887775 is a wasteful number, since it uses less digits than its factorization.

97873887775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3958575 (or 3958570 counting only the distinct ones).

The product of its digits is 1161699840, while the sum is 76.

The spelling of 97873887775 in words is "ninety-seven billion, eight hundred seventy-three million, eight hundred eighty-seven thousand, seven hundred seventy-five".