8098121527 has 4 divisors (see below), whose sum is σ = 8118520216. Its totient is φ = 8077722840.

The previous prime is 8098121489. The next prime is 8098121531. The reversal of 8098121527 is 7251218908.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 8098121527 - 2⁷ = 8098121399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8098121557) 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, 10198749 + ... + 10199542.

It is an arithmetic number, because the mean of its divisors is an integer number (2029630054).

Almost surely, 2^8098121527 is an apocalyptic number.

8098121527 is a deficient number, since it is larger than the sum of its proper divisors (20398689).

8098121527 is a wasteful number, since it uses less digits than its factorization.

8098121527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20398688.

The product of its (nonzero) digits is 80640, while the sum is 43.

The square root of 8098121527 is about 89989.5634337671. The cubic root of 8098121527 is about 2008.1435898830.

The spelling of 8098121527 in words is "eight billion, ninety-eight million, one hundred twenty-one thousand, five hundred twenty-seven".