84038745515 has 8 divisors (see below), whose sum is σ = 100848354720. Its totient is φ = 67229756352.

The previous prime is 84038745509. The next prime is 84038745517. The reversal of 84038745515 is 51554783048.

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

It is a cyclic number.

It is not a de Polignac number, because 84038745515 - 2⁴ = 84038745499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84038745517) 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, 230207 + ... + 470183.

It is an arithmetic number, because the mean of its divisors is an integer number (12606044340).

Almost surely, 2^84038745515 is an apocalyptic number.

84038745515 is a deficient number, since it is larger than the sum of its proper divisors (16809609205).

84038745515 is a wasteful number, since it uses less digits than its factorization.

84038745515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310021.

The product of its (nonzero) digits is 2688000, while the sum is 50.

The spelling of 84038745515 in words is "eighty-four billion, thirty-eight million, seven hundred forty-five thousand, five hundred fifteen".