84774413 has 4 divisors (see below), whose sum is σ = 84813408. Its totient is φ = 84735420.

The previous prime is 84774407. The next prime is 84774433. The reversal of 84774413 is 31447748.

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 84774413 - 2⁴ = 84774397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84774433) 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, 16031 + ... + 20652.

It is an arithmetic number, because the mean of its divisors is an integer number (21203352).

Almost surely, 2^84774413 is an apocalyptic number.

It is an amenable number.

84774413 is a deficient number, since it is larger than the sum of its proper divisors (38995).

84774413 is a wasteful number, since it uses less digits than its factorization.

84774413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38994.

The product of its digits is 75264, while the sum is 38.

The square root of 84774413 is about 9207.3021564408. The cubic root of 84774413 is about 439.2936549131.

The spelling of 84774413 in words is "eighty-four million, seven hundred seventy-four thousand, four hundred thirteen".