97841455 has 4 divisors (see below), whose sum is σ = 117409752. Its totient is φ = 78273160.

The previous prime is 97841441. The next prime is 97841461. The reversal of 97841455 is 55414879.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55414879 = 13 ⋅4262683.

It is not a de Polignac number, because 97841455 - 2⁷ = 97841327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9784141 + ... + 9784150.

It is an arithmetic number, because the mean of its divisors is an integer number (29352438).

Almost surely, 2^97841455 is an apocalyptic number.

97841455 is a deficient number, since it is larger than the sum of its proper divisors (19568297).

97841455 is a wasteful number, since it uses less digits than its factorization.

97841455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19568296.

The product of its digits is 201600, while the sum is 43.

The square root of 97841455 is about 9891.4839634910. The cubic root of 97841455 is about 460.7948686068.

The spelling of 97841455 in words is "ninety-seven million, eight hundred forty-one thousand, four hundred fifty-five".