84772413 has 20 divisors (see below), whose sum is σ = 138149088. Its totient is φ = 51376680.

The previous prime is 84772409. The next prime is 84772417. The reversal of 84772413 is 31427748.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (84772409) and next prime (84772417).

It is not a de Polignac number, because 84772413 - 2² = 84772409 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84772417) 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 19 ways as a sum of consecutive naturals, for example, 46681 + ... + 48462.

Almost surely, 2^84772413 is an apocalyptic number.

It is an amenable number.

84772413 is a deficient number, since it is larger than the sum of its proper divisors (53376675).

84772413 is a wasteful number, since it uses less digits than its factorization.

84772413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95166 (or 95157 counting only the distinct ones).

The product of its digits is 37632, while the sum is 36.

The square root of 84772413 is about 9207.1935463528. The cubic root of 84772413 is about 439.2902002771.

The spelling of 84772413 in words is "eighty-four million, seven hundred seventy-two thousand, four hundred thirteen".