97884248879 has 4 divisors (see below), whose sum is σ = 98853399960. Its totient is φ = 96915097800.

The previous prime is 97884248851. The next prime is 97884248897.

97884248879 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97884248879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97884248809) 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, 484575389 + ... + 484575590.

It is an arithmetic number, because the mean of its divisors is an integer number (24713349990).

Almost surely, 2^97884248879 is an apocalyptic number.

97884248879 is a deficient number, since it is larger than the sum of its proper divisors (969151081).

97884248879 is a wasteful number, since it uses less digits than its factorization.

97884248879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969151080.

The product of its digits is 520224768, while the sum is 74.

The spelling of 97884248879 in words is "ninety-seven billion, eight hundred eighty-four million, two hundred forty-eight thousand, eight hundred seventy-nine".