84897272 has 8 divisors (see below), whose sum is σ = 159182400. Its totient is φ = 42448632.

The previous prime is 84897257. The next prime is 84897287. The reversal of 84897272 is 27279848.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (84897257) and next prime (84897287).

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5306072 + ... + 5306087.

It is an arithmetic number, because the mean of its divisors is an integer number (19897800).

Almost surely, 2^84897272 is an apocalyptic number.

It is an amenable number.

84897272 is a deficient number, since it is larger than the sum of its proper divisors (74285128).

84897272 is a wasteful number, since it uses less digits than its factorization.

84897272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10612165 (or 10612161 counting only the distinct ones).

The product of its digits is 451584, while the sum is 47.

The square root of 84897272 is about 9213.9715649659. The cubic root of 84897272 is about 439.5057673722.

The spelling of 84897272 in words is "eighty-four million, eight hundred ninety-seven thousand, two hundred seventy-two".