32077540664 has 32 divisors (see below), whose sum is σ = 65169365520. Its totient is φ = 14714182656.

The previous prime is 32077540661. The next prime is 32077540727. The reversal of 32077540664 is 46604577023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32077540661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 929177 + ... + 963080.

Almost surely, 2^32077540664 is an apocalyptic number.

It is an amenable number.

32077540664 is an abundant number, since it is smaller than the sum of its proper divisors (33091824856).

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

32077540664 is a wasteful number, since it uses less digits than its factorization.

32077540664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1892439 (or 1892435 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 44.

The spelling of 32077540664 in words is "thirty-two billion, seventy-seven million, five hundred forty thousand, six hundred sixty-four".