97743558387 has 16 divisors (see below), whose sum is σ = 133610626688. Its totient is φ = 63525228480.

The previous prime is 97743558373. The next prime is 97743558431. The reversal of 97743558387 is 78385534779.

It is a happy number.

It is not a de Polignac number, because 97743558387 - 2¹⁰ = 97743557363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97743558287) 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, 656914 + ... + 791847.

It is an arithmetic number, because the mean of its divisors is an integer number (8350664168).

Almost surely, 2^97743558387 is an apocalyptic number.

97743558387 is a deficient number, since it is larger than the sum of its proper divisors (35867068301).

97743558387 is a wasteful number, since it uses less digits than its factorization.

97743558387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1449330.

The product of its digits is 177811200, while the sum is 66.

The spelling of 97743558387 in words is "ninety-seven billion, seven hundred forty-three million, five hundred fifty-eight thousand, three hundred eighty-seven".