84619047 has 16 divisors (see below), whose sum is σ = 124657920. Its totient is φ = 50785152.

The previous prime is 84619043. The next prime is 84619079. The reversal of 84619047 is 74091648.

It is a happy number.

It is not a de Polignac number, because 84619047 - 2² = 84619043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84618996 and 84619014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84619043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34897 + ... + 37242.

It is an arithmetic number, because the mean of its divisors is an integer number (7791120).

Almost surely, 2^84619047 is an apocalyptic number.

84619047 is a deficient number, since it is larger than the sum of its proper divisors (40038873).

84619047 is a wasteful number, since it uses less digits than its factorization.

84619047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72182.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 84619047 is about 9198.8611795156. The cubic root of 84619047 is about 439.0251264237.

The spelling of 84619047 in words is "eighty-four million, six hundred nineteen thousand, forty-seven".