84625847 has 12 divisors (see below), whose sum is σ = 90235896. Its totient is φ = 79347840.

The previous prime is 84625843. The next prime is 84625921. The reversal of 84625847 is 74852648.

It is not a de Polignac number, because 84625847 - 2² = 84625843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84625798 and 84625807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84625843) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127697 + ... + 128357.

It is an arithmetic number, because the mean of its divisors is an integer number (7519658).

Almost surely, 2^84625847 is an apocalyptic number.

84625847 is a deficient number, since it is larger than the sum of its proper divisors (5610049).

84625847 is a wasteful number, since it uses less digits than its factorization.

84625847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138 (or 1121 counting only the distinct ones).

The product of its digits is 430080, while the sum is 44.

The square root of 84625847 is about 9199.2307830601. The cubic root of 84625847 is about 439.0368861516.

The spelling of 84625847 in words is "eighty-four million, six hundred twenty-five thousand, eight hundred forty-seven".