84901100502047 has 4 divisors (see below), whose sum is σ = 87828724657320. Its totient is φ = 81973476346776.

The previous prime is 84901100502017. The next prime is 84901100502059. The reversal of 84901100502047 is 74020500110948.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84901100502047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84901100501995 and 84901100502013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84901100502017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1463812077593 + ... + 1463812077650.

It is an arithmetic number, because the mean of its divisors is an integer number (21957181164330).

Almost surely, 2^{84901100502047} is an apocalyptic number.

84901100502047 is a deficient number, since it is larger than the sum of its proper divisors (2927624155273).

84901100502047 is a wasteful number, since it uses less digits than its factorization.

84901100502047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2927624155272.

The product of its (nonzero) digits is 80640, while the sum is 41.

The spelling of 84901100502047 in words is "eighty-four trillion, nine hundred one billion, one hundred million, five hundred two thousand, forty-seven".