32978085660 has 120 divisors (see below), whose sum is σ = 111411506976. Its totient is φ = 8117677440.

The previous prime is 32978085631. The next prime is 32978085671. The reversal of 32978085660 is 6658087923.

It is a happy number.

32978085660 is a `hidden beast` number, since 3 + 2 + 9 + 78 + 0 + 8 + 566 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 32978085597 and 32978085606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 761896 + ... + 804015.

Almost surely, 2^32978085660 is an apocalyptic number.

32978085660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32978085660 is an abundant number, since it is smaller than the sum of its proper divisors (78433421316).

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

32978085660 is a wasteful number, since it uses less digits than its factorization.

32978085660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1565945 (or 1565934 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 32978085660 in words is "thirty-two billion, nine hundred seventy-eight million, eighty-five thousand, six hundred sixty".