84625791 has 8 divisors (see below), whose sum is σ = 118773120. Its totient is φ = 53447832.

The previous prime is 84625769. The next prime is 84625811. The reversal of 84625791 is 19752648.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 84625791 - 2⁹ = 84625279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84625091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 742275 + ... + 742388.

It is an arithmetic number, because the mean of its divisors is an integer number (14846640).

Almost surely, 2^84625791 is an apocalyptic number.

84625791 is a deficient number, since it is larger than the sum of its proper divisors (34147329).

84625791 is a wasteful number, since it uses less digits than its factorization.

84625791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484685.

The product of its digits is 120960, while the sum is 42.

The square root of 84625791 is about 9199.2277393268. The cubic root of 84625791 is about 439.0367893093.

The spelling of 84625791 in words is "eighty-four million, six hundred twenty-five thousand, seven hundred ninety-one".