97896397854 has 32 divisors (see below), whose sum is σ = 200009295360. Its totient is φ = 31929734912.

The previous prime is 97896397849. The next prime is 97896397873. The reversal of 97896397854 is 45879369879.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1125262 + ... + 1209134.

It is an arithmetic number, because the mean of its divisors is an integer number (6250290480).

Almost surely, 2^97896397854 is an apocalyptic number.

97896397854 is a gapful number since it is divisible by the number (94) formed by its first and last digit.

97896397854 is an abundant number, since it is smaller than the sum of its proper divisors (102112897506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97896397854 is a wasteful number, since it uses less digits than its factorization.

97896397854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88064.

The product of its digits is 823011840, while the sum is 75.

The spelling of 97896397854 in words is "ninety-seven billion, eight hundred ninety-six million, three hundred ninety-seven thousand, eight hundred fifty-four".