97406409999 has 8 divisors (see below), whose sum is σ = 129876877872. Its totient is φ = 64936774400.

The previous prime is 97406409943. The next prime is 97406410009. The reversal of 97406409999 is 99990460479.

It is a Cunningham number, because it is equal to 312100²-1.

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

It is a cyclic number.

It is not a de Polignac number, because 97406409999 - 2⁸ = 97406409743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97406409899) 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, 156049 + ... + 468149.

It is an arithmetic number, because the mean of its divisors is an integer number (16234609734).

Almost surely, 2^97406409999 is an apocalyptic number.

97406409999 is a deficient number, since it is larger than the sum of its proper divisors (32470467873).

97406409999 is a wasteful number, since it uses less digits than its factorization.

97406409999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416137.

The product of its (nonzero) digits is 39680928, while the sum is 66.

The spelling of 97406409999 in words is "ninety-seven billion, four hundred six million, four hundred nine thousand, nine hundred ninety-nine".