82046987388 has 18 divisors (see below), whose sum is σ = 207396551544. Its totient is φ = 27348995784.

The previous prime is 82046987357. The next prime is 82046987423. The reversal of 82046987388 is 88378964028.

82046987388 is a `hidden beast` number, since 8 + 20 + 469 + 8 + 73 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1139541456 + ... + 1139541527.

Almost surely, 2^82046987388 is an apocalyptic number.

It is an amenable number.

82046987388 is an abundant number, since it is smaller than the sum of its proper divisors (125349564156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82046987388 is a wasteful number, since it uses less digits than its factorization.

82046987388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2279082993 (or 2279082988 counting only the distinct ones).

The product of its (nonzero) digits is 37158912, while the sum is 63.

The spelling of 82046987388 in words is "eighty-two billion, forty-six million, nine hundred eighty-seven thousand, three hundred eighty-eight".