97842737530 has 8 divisors (see below), whose sum is σ = 176116927572. Its totient is φ = 39137095008.

The previous prime is 97842737519. The next prime is 97842737539. The reversal of 97842737530 is 3573724879.

It can be written as a sum of positive squares in 2 ways, for example, as 96471738801 + 1370998729 = 310599^2 + 37027^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (97842737539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4892136867 + ... + 4892136886.

Almost surely, 2^97842737530 is an apocalyptic number.

97842737530 is a deficient number, since it is larger than the sum of its proper divisors (78274190042).

97842737530 is a wasteful number, since it uses less digits than its factorization.

97842737530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9784273760.

The product of its (nonzero) digits is 8890560, while the sum is 55.

The spelling of 97842737530 in words is "ninety-seven billion, eight hundred forty-two million, seven hundred thirty-seven thousand, five hundred thirty".