82987937541 has 6 divisors (see below), whose sum is σ = 119871465350. Its totient is φ = 55325291688.

The previous prime is 82987937537. The next prime is 82987937569. The reversal of 82987937541 is 14573978928.

82987937541 is a `hidden beast` number, since 8 + 2 + 9 + 87 + 9 + 3 + 7 + 541 = 666.

It can be written as a sum of positive squares in only one way, i.e., 59990215041 + 22997722500 = 244929^2 + 151650^2 .

It is not a de Polignac number, because 82987937541 - 2² = 82987937537 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 (82987937041) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4610440966 + ... + 4610440983.

Almost surely, 2^82987937541 is an apocalyptic number.

It is an amenable number.

82987937541 is a deficient number, since it is larger than the sum of its proper divisors (36883527809).

82987937541 is a wasteful number, since it uses less digits than its factorization.

82987937541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9220881955 (or 9220881952 counting only the distinct ones).

The product of its digits is 30481920, while the sum is 63.

The spelling of 82987937541 in words is "eighty-two billion, nine hundred eighty-seven million, nine hundred thirty-seven thousand, five hundred forty-one".