32406765987 has 16 divisors (see below), whose sum is σ = 43779696800. Its totient is φ = 21320451072.

The previous prime is 32406765971. The next prime is 32406765991. The reversal of 32406765987 is 78956760423.

It is not a de Polignac number, because 32406765987 - 2⁴ = 32406765971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32406765947) 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, 57988 + ... + 261105.

It is an arithmetic number, because the mean of its divisors is an integer number (2736231050).

Almost surely, 2^32406765987 is an apocalyptic number.

32406765987 is a deficient number, since it is larger than the sum of its proper divisors (11372930813).

32406765987 is a wasteful number, since it uses less digits than its factorization.

32406765987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319542.

The product of its (nonzero) digits is 15240960, while the sum is 57.

The spelling of 32406765987 in words is "thirty-two billion, four hundred six million, seven hundred sixty-five thousand, nine hundred eighty-seven".