97879827 has 4 divisors (see below), whose sum is σ = 130506440. Its totient is φ = 65253216.

The previous prime is 97879823. The next prime is 97879841. The reversal of 97879827 is 72897879.

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

It is not a de Polignac number, because 97879827 - 2² = 97879823 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97879823) 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, 16313302 + ... + 16313307.

It is an arithmetic number, because the mean of its divisors is an integer number (32626610).

Almost surely, 2^97879827 is an apocalyptic number.

97879827 is a deficient number, since it is larger than the sum of its proper divisors (32626613).

97879827 is a wasteful number, since it uses less digits than its factorization.

97879827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32626612.

The product of its digits is 3556224, while the sum is 57.

The square root of 97879827 is about 9893.4234216473. The cubic root of 97879827 is about 460.8550997556.

The spelling of 97879827 in words is "ninety-seven million, eight hundred seventy-nine thousand, eight hundred twenty-seven".