97736416909 has 4 divisors (see below), whose sum is σ = 97826331904. Its totient is φ = 97646501916.

The previous prime is 97736416903. The next prime is 97736416931. The reversal of 97736416909 is 90961463779.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 97736416909 - 2²⁷ = 97602199181 is a prime.

It is a super-2 number, since 2×97736416909² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97736416903) 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 3 ways as a sum of consecutive naturals, for example, 44955867 + ... + 44958040.

It is an arithmetic number, because the mean of its divisors is an integer number (24456582976).

Almost surely, 2^97736416909 is an apocalyptic number.

It is an amenable number.

97736416909 is a deficient number, since it is larger than the sum of its proper divisors (89914995).

97736416909 is a wasteful number, since it uses less digits than its factorization.

97736416909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89914994.

The product of its (nonzero) digits is 15431472, while the sum is 61.

The spelling of 97736416909 in words is "ninety-seven billion, seven hundred thirty-six million, four hundred sixteen thousand, nine hundred nine".