32997777420 has 96 divisors (see below), whose sum is σ = 93098396160. Its totient is φ = 8732528640.

The previous prime is 32997777403. The next prime is 32997777433. The reversal of 32997777420 is 2477779923.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5080375 + ... + 5086865.

It is an arithmetic number, because the mean of its divisors is an integer number (969774960).

Almost surely, 2^32997777420 is an apocalyptic number.

32997777420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32997777420 is an abundant number, since it is smaller than the sum of its proper divisors (60100618740).

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

32997777420 is a wasteful number, since it uses less digits than its factorization.

32997777420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7135 (or 7133 counting only the distinct ones).

The product of its (nonzero) digits is 9335088, while the sum is 57.

The spelling of 32997777420 in words is "thirty-two billion, nine hundred ninety-seven million, seven hundred seventy-seven thousand, four hundred twenty".