84715387 has 8 divisors (see below), whose sum is σ = 85307904. Its totient is φ = 84125568.

The previous prime is 84715381. The next prime is 84715427. The reversal of 84715387 is 78351748.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84715387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84715381) 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, 142563 + ... + 143155.

It is an arithmetic number, because the mean of its divisors is an integer number (10663488).

Almost surely, 2^84715387 is an apocalyptic number.

84715387 is a deficient number, since it is larger than the sum of its proper divisors (592517).

84715387 is a wasteful number, since it uses less digits than its factorization.

84715387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1349.

The product of its digits is 188160, while the sum is 43.

The square root of 84715387 is about 9204.0962076675. The cubic root of 84715387 is about 439.1916753703.

The spelling of 84715387 in words is "eighty-four million, seven hundred fifteen thousand, three hundred eighty-seven".