83987564132 has 24 divisors (see below), whose sum is σ = 148957099200. Its totient is φ = 41431425696.

The previous prime is 83987564131. The next prime is 83987564149. The reversal of 83987564132 is 23146578938.

It is not an unprimeable number, because it can be changed into a prime (83987564131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268082 + ... + 489737.

It is an arithmetic number, because the mean of its divisors is an integer number (6206545800).

Almost surely, 2^83987564132 is an apocalyptic number.

It is an amenable number.

83987564132 is a deficient number, since it is larger than the sum of its proper divisors (64969535068).

83987564132 is a wasteful number, since it uses less digits than its factorization.

83987564132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758195 (or 758193 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 56.

The spelling of 83987564132 in words is "eighty-three billion, nine hundred eighty-seven million, five hundred sixty-four thousand, one hundred thirty-two".