32087342781 has 16 divisors (see below), whose sum is σ = 51193481920. Its totient is φ = 19746056880.

The previous prime is 32087342773. The next prime is 32087342821. The reversal of 32087342781 is 18724378023.

It is not a de Polignac number, because 32087342781 - 2³ = 32087342773 is a prime.

It is a super-2 number, since 2×32087342781² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32087342731) 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, 45708115 + ... + 45708816.

It is an arithmetic number, because the mean of its divisors is an integer number (3199592620).

Almost surely, 2^32087342781 is an apocalyptic number.

It is an amenable number.

32087342781 is a deficient number, since it is larger than the sum of its proper divisors (19106139139).

32087342781 is a wasteful number, since it uses less digits than its factorization.

32087342781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91416953 (or 91416947 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The spelling of 32087342781 in words is "thirty-two billion, eighty-seven million, three hundred forty-two thousand, seven hundred eighty-one".