98987676566 has 16 divisors (see below), whose sum is σ = 159621788160. Its totient is φ = 45891262440.

The previous prime is 98987676521. The next prime is 98987676587. The reversal of 98987676566 is 66567678989.

It is a super-2 number, since 2×98987676566² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27710330 + ... + 27713901.

It is an arithmetic number, because the mean of its divisors is an integer number (9976361760).

Almost surely, 2^98987676566 is an apocalyptic number.

98987676566 is a deficient number, since it is larger than the sum of its proper divisors (60634111594).

98987676566 is a wasteful number, since it uses less digits than its factorization.

98987676566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55424299.

The product of its digits is 1646023680, while the sum is 77.

The spelling of 98987676566 in words is "ninety-eight billion, nine hundred eighty-seven million, six hundred seventy-six thousand, five hundred sixty-six".