84472553 has 4 divisors (see below), whose sum is σ = 92151888. Its totient is φ = 76793220.

The previous prime is 84472529. The next prime is 84472573. The reversal of 84472553 is 35527448.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 84472553 - 2¹² = 84468457 is a prime.

It is a super-2 number, since 2×84472553² = 14271224420675618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84472573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3839651 + ... + 3839672.

It is an arithmetic number, because the mean of its divisors is an integer number (23037972).

Almost surely, 2^84472553 is an apocalyptic number.

It is an amenable number.

84472553 is a deficient number, since it is larger than the sum of its proper divisors (7679335).

84472553 is a wasteful number, since it uses less digits than its factorization.

84472553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7679334.

The product of its digits is 134400, while the sum is 38.

The square root of 84472553 is about 9190.8951141877. The cubic root of 84472553 is about 438.7716307115.

The spelling of 84472553 in words is "eighty-four million, four hundred seventy-two thousand, five hundred fifty-three".