97443085737 has 4 divisors (see below), whose sum is σ = 129924114320. Its totient is φ = 64962057156.

The previous prime is 97443085681. The next prime is 97443085771. The reversal of 97443085737 is 73758034479.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 73758034479 = 3 ⋅24586011493.

It is not a de Polignac number, because 97443085737 - 2⁶ = 97443085673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97443035737) 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, 16240514287 + ... + 16240514292.

It is an arithmetic number, because the mean of its divisors is an integer number (32481028580).

Almost surely, 2^97443085737 is an apocalyptic number.

It is an amenable number.

97443085737 is a deficient number, since it is larger than the sum of its proper divisors (32481028583).

97443085737 is a wasteful number, since it uses less digits than its factorization.

97443085737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32481028582.

The product of its (nonzero) digits is 17781120, while the sum is 57.

The spelling of 97443085737 in words is "ninety-seven billion, four hundred forty-three million, eighty-five thousand, seven hundred thirty-seven".