84393650090 has 8 divisors (see below), whose sum is σ = 151908570180. Its totient is φ = 33757460032.

The previous prime is 84393650087. The next prime is 84393650153. The reversal of 84393650090 is 9005639348.

It can be written as a sum of positive squares in 2 ways, for example, as 84371078089 + 22572001 = 290467^2 + 4751^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4219682495 + ... + 4219682514.

Almost surely, 2^84393650090 is an apocalyptic number.

84393650090 is a deficient number, since it is larger than the sum of its proper divisors (67514920090).

84393650090 is a wasteful number, since it uses less digits than its factorization.

84393650090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8439365016.

The product of its (nonzero) digits is 699840, while the sum is 47.

The spelling of 84393650090 in words is "eighty-four billion, three hundred ninety-three million, six hundred fifty thousand, ninety".