97856119 has 4 divisors (see below), whose sum is σ = 101012800. Its totient is φ = 94699440.

The previous prime is 97856107. The next prime is 97856147. The reversal of 97856119 is 91165879.

It is a happy number.

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 97856119 - 2⁷ = 97855991 is a prime.

It is a super-2 number, since 2×97856119² = 19151640051484322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97856149) 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, 1578294 + ... + 1578355.

It is an arithmetic number, because the mean of its divisors is an integer number (25253200).

Almost surely, 2^97856119 is an apocalyptic number.

97856119 is a deficient number, since it is larger than the sum of its proper divisors (3156681).

97856119 is a wasteful number, since it uses less digits than its factorization.

97856119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3156680.

The product of its digits is 136080, while the sum is 46.

The square root of 97856119 is about 9892.2251794023. The cubic root of 97856119 is about 460.8178880192.

The spelling of 97856119 in words is "ninety-seven million, eight hundred fifty-six thousand, one hundred nineteen".