32977961472 has 120 divisors (see below), whose sum is σ = 90299751696. Its totient is φ = 10694873088.

The previous prime is 32977961437. The next prime is 32977961519. The reversal of 32977961472 is 27416977923.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2094943 + ... + 2110625.

Almost surely, 2^32977961472 is an apocalyptic number.

32977961472 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32977961472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45149875848).

32977961472 is an abundant number, since it is smaller than the sum of its proper divisors (57321790224).

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

32977961472 is an equidigital number, since it uses as much as digits as its factorization.

32977961472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15778 (or 15725 counting only the distinct ones).

The product of its digits is 8001504, while the sum is 57.

The spelling of 32977961472 in words is "thirty-two billion, nine hundred seventy-seven million, nine hundred sixty-one thousand, four hundred seventy-two".