97447375391019 has 8 divisors (see below), whose sum is σ = 129931786749072. Its totient is φ = 64963940480160.

The previous prime is 97447375391011. The next prime is 97447375391029. The reversal of 97447375391019 is 91019357374479.

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

It is not a de Polignac number, because 97447375391019 - 2³ = 97447375391011 is a prime.

It is a super-2 number, since 2×97447375391019² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (97447375391011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243878904 + ... + 244278149.

It is an arithmetic number, because the mean of its divisors is an integer number (16241473343634).

Almost surely, 2^{97447375391019} is an apocalyptic number.

97447375391019 is a deficient number, since it is larger than the sum of its proper divisors (32484411358053).

97447375391019 is a wasteful number, since it uses less digits than its factorization.

97447375391019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488223597.

The product of its (nonzero) digits is 180033840, while the sum is 69.

The spelling of 97447375391019 in words is "ninety-seven trillion, four hundred forty-seven billion, three hundred seventy-five million, three hundred ninety-one thousand, nineteen".