97879267043 has 4 divisors (see below), whose sum is σ = 98777242080. Its totient is φ = 96981292008.

The previous prime is 97879267039. The next prime is 97879267051. The reversal of 97879267043 is 34076297879.

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

It is a cyclic number.

It is not a de Polignac number, because 97879267043 - 2² = 97879267039 is a prime.

It is a super-4 number, since 4×97879267043⁴ (a number of 45 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97879267033) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 448987355 + ... + 448987572.

It is an arithmetic number, because the mean of its divisors is an integer number (24694310520).

Almost surely, 2^97879267043 is an apocalyptic number.

97879267043 is a deficient number, since it is larger than the sum of its proper divisors (897975037).

97879267043 is a wasteful number, since it uses less digits than its factorization.

97879267043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897975036.

The product of its (nonzero) digits is 32006016, while the sum is 62.

The spelling of 97879267043 in words is "ninety-seven billion, eight hundred seventy-nine million, two hundred sixty-seven thousand, forty-three".