97879 has 2 divisors, whose sum is σ = 97880. Its totient is φ = 97878.
The previous prime is 97871. The next prime is 97883.
97879 is nontrivially palindromic in base 10.
It is a strong prime.
It is a palprime.
It is a cyclic number.
It is not a de Polignac number, because 97879 - 23 = 97871 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (97871) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48939 + 48940.
It is an arithmetic number, because the mean of its divisors is an integer number (48940).
297879 is an apocalyptic number.
97879 is a deficient number, since it is larger than the sum of its proper divisors (1).
97879 is an equidigital number, since it uses as much as digits as its factorization.
97879 is an evil number, because the sum of its binary digits is even.
The product of its digits is 31752, while the sum is 40.
The square root of 97879 is about 312.8561969979. The cubic root of 97879 is about 46.0853801809.
The spelling of 97879 in words is "ninety-seven thousand, eight hundred seventy-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.024 sec. • engine limits •