84375695673521 has 32 divisors (see below), whose sum is σ = 98581650988800. Its totient is φ = 72186571699200.

The previous prime is 84375695673517. The next prime is 84375695673667. The reversal of 84375695673521 is 12537659657348.

It is not a de Polignac number, because 84375695673521 - 2² = 84375695673517 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84375695373521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1640854391 + ... + 1640905811.

It is an arithmetic number, because the mean of its divisors is an integer number (3080676593400).

Almost surely, 2^{84375695673521} is an apocalyptic number.

It is an amenable number.

84375695673521 is a deficient number, since it is larger than the sum of its proper divisors (14205955315279).

84375695673521 is an equidigital number, since it uses as much as digits as its factorization.

84375695673521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60310 (or 60296 counting only the distinct ones).

The product of its digits is 1143072000, while the sum is 71.

The spelling of 84375695673521 in words is "eighty-four trillion, three hundred seventy-five billion, six hundred ninety-five million, six hundred seventy-three thousand, five hundred twenty-one".