83090921067 has 288 divisors, whose sum is σ = 163642859520. Its totient is φ = 41493513600.

The previous prime is 83090921047. The next prime is 83090921099. The reversal of 83090921067 is 76012909038.

It is not a de Polignac number, because 83090921067 - 2¹⁵ = 83090888299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83090921027) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 654259158 + ... + 654259284.

Almost surely, 2^83090921067 is an apocalyptic number.

83090921067 is a deficient number, since it is larger than the sum of its proper divisors (80551938453).

83090921067 is a wasteful number, since it uses less digits than its factorization.

83090921067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300 (or 276 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The spelling of 83090921067 in words is "eighty-three billion, ninety million, nine hundred twenty-one thousand, sixty-seven".