32077492986 has 96 divisors (see below), whose sum is σ = 81474052608. Its totient is φ = 8325646560.

The previous prime is 32077492981. The next prime is 32077492991. The reversal of 32077492986 is 68929477023.

It is an interprime number because it is at equal distance from previous prime (32077492981) and next prime (32077492991).

It is not an unprimeable number, because it can be changed into a prime (32077492981) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5763441 + ... + 5769003.

It is an arithmetic number, because the mean of its divisors is an integer number (848688048).

Almost surely, 2^32077492986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32077492986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40737026304).

32077492986 is an abundant number, since it is smaller than the sum of its proper divisors (49396559622).

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

32077492986 is a wasteful number, since it uses less digits than its factorization.

32077492986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7376 (or 7369 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 57.

The spelling of 32077492986 in words is "thirty-two billion, seventy-seven million, four hundred ninety-two thousand, nine hundred eighty-six".