84211575047746 has 4 divisors (see below), whose sum is σ = 126317362571622. Its totient is φ = 42105787523872.

The previous prime is 84211575047737. The next prime is 84211575047777. The reversal of 84211575047746 is 64774057511248.

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

It can be written as a sum of positive squares in only one way, i.e., 66036572911521 + 18175002136225 = 8126289^2 + 4263215^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21052893761935 + ... + 21052893761938.

Almost surely, 2^{84211575047746} is an apocalyptic number.

84211575047746 is a deficient number, since it is larger than the sum of its proper divisors (42105787523876).

84211575047746 is a wasteful number, since it uses less digits than its factorization.

84211575047746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42105787523875.

The product of its (nonzero) digits is 52684800, while the sum is 61.

The spelling of 84211575047746 in words is "eighty-four trillion, two hundred eleven billion, five hundred seventy-five million, forty-seven thousand, seven hundred forty-six".