83532961615 has 16 divisors (see below), whose sum is σ = 103526989056. Its totient is φ = 64636992000.

The previous prime is 83532961613. The next prime is 83532961621. The reversal of 83532961615 is 51616923538.

It is a happy number.

It is not a de Polignac number, because 83532961615 - 2¹ = 83532961613 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 (83532961613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160215 + ... + 439015.

It is an arithmetic number, because the mean of its divisors is an integer number (6470436816).

Almost surely, 2^83532961615 is an apocalyptic number.

83532961615 is a deficient number, since it is larger than the sum of its proper divisors (19994027441).

83532961615 is a wasteful number, since it uses less digits than its factorization.

83532961615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280770.

The product of its digits is 1166400, while the sum is 49.

The spelling of 83532961615 in words is "eighty-three billion, five hundred thirty-two million, nine hundred sixty-one thousand, six hundred fifteen".