32778082836 has 48 divisors (see below), whose sum is σ = 84996311680. Its totient is φ = 10923958080.

The previous prime is 32778082787. The next prime is 32778082837. The reversal of 32778082836 is 63828087723.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32778082837) 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, 609345 + ... + 660951.

Almost surely, 2^32778082836 is an apocalyptic number.

32778082836 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

32778082836 is an abundant number, since it is smaller than the sum of its proper divisors (52218228844).

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

32778082836 is a wasteful number, since it uses less digits than its factorization.

32778082836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57501 (or 57493 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 54.

The spelling of 32778082836 in words is "thirty-two billion, seven hundred seventy-eight million, eighty-two thousand, eight hundred thirty-six".