97891807407 has 8 divisors (see below), whose sum is σ = 130523867520. Its totient is φ = 65260476120.

The previous prime is 97891807381. The next prime is 97891807417. The reversal of 97891807407 is 70470819879.

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

It is not a de Polignac number, because 97891807407 - 2²⁴ = 97875030191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97891807417) 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, 372094 + ... + 578132.

It is an arithmetic number, because the mean of its divisors is an integer number (16315483440).

Almost surely, 2^97891807407 is an apocalyptic number.

97891807407 is a deficient number, since it is larger than the sum of its proper divisors (32632060113).

97891807407 is a wasteful number, since it uses less digits than its factorization.

97891807407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364413.

The product of its (nonzero) digits is 7112448, while the sum is 60.

The spelling of 97891807407 in words is "ninety-seven billion, eight hundred ninety-one million, eight hundred seven thousand, four hundred seven".