84472951 has 4 divisors (see below), whose sum is σ = 88145712. Its totient is φ = 80800192.

The previous prime is 84472943. The next prime is 84472979. The reversal of 84472951 is 15927448.

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 84472951 - 2³ = 84472943 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84472901) 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, 1836346 + ... + 1836391.

It is an arithmetic number, because the mean of its divisors is an integer number (22036428).

Almost surely, 2^84472951 is an apocalyptic number.

84472951 is a deficient number, since it is larger than the sum of its proper divisors (3672761).

84472951 is a wasteful number, since it uses less digits than its factorization.

84472951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3672760.

The product of its digits is 80640, while the sum is 40.

The square root of 84472951 is about 9190.9167660250. The cubic root of 84472951 is about 438.7723198143.

The spelling of 84472951 in words is "eighty-four million, four hundred seventy-two thousand, nine hundred fifty-one".