97547084879 has 4 divisors (see below), whose sum is σ = 99146217480. Its totient is φ = 95947952280.

The previous prime is 97547084861. The next prime is 97547084891. The reversal of 97547084879 is 97848074579.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97848074579 = 23057 ⋅4243747.

It is a cyclic number.

It is not a de Polignac number, because 97547084879 - 2³² = 93252117583 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 (97547084279) 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, 799566209 + ... + 799566330.

It is an arithmetic number, because the mean of its divisors is an integer number (24786554370).

Almost surely, 2^97547084879 is an apocalyptic number.

97547084879 is a deficient number, since it is larger than the sum of its proper divisors (1599132601).

97547084879 is a wasteful number, since it uses less digits than its factorization.

97547084879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1599132600.

The product of its (nonzero) digits is 142248960, while the sum is 68.

The spelling of 97547084879 in words is "ninety-seven billion, five hundred forty-seven million, eighty-four thousand, eight hundred seventy-nine".