83687132498 has 6 divisors (see below), whose sum is σ = 125531312421. Its totient is φ = 41843361692.

The previous prime is 83687132429. The next prime is 83687132531. The reversal of 83687132498 is 89423178638.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 54248465569 + 29438666929 = 232913^2 + 171577^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=204557.

It is a super-2 number, since 2×83687132498² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 306836 + ... + 511392.

Almost surely, 2^83687132498 is an apocalyptic number.

83687132498 is a deficient number, since it is larger than the sum of its proper divisors (41844179923).

83687132498 is an frugal number, since it uses more digits than its factorization.

83687132498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409116 (or 204559 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 59.

The spelling of 83687132498 in words is "eighty-three billion, six hundred eighty-seven million, one hundred thirty-two thousand, four hundred ninety-eight".