32878852649 has 2 divisors, whose sum is σ = 32878852650. Its totient is φ = 32878852648.

The previous prime is 32878852637. The next prime is 32878852691. The reversal of 32878852649 is 94625887823.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20094480025 + 12784372624 = 141755^2 + 113068^2 .

It is a cyclic number.

It is not a de Polignac number, because 32878852649 - 2⁸ = 32878852393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32878852591 and 32878852600.

It is not a weakly prime, because it can be changed into another prime (32878852949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16439426324 + 16439426325.

It is an arithmetic number, because the mean of its divisors is an integer number (16439426325).

Almost surely, 2^32878852649 is an apocalyptic number.

It is an amenable number.

32878852649 is a deficient number, since it is larger than the sum of its proper divisors (1).

32878852649 is an equidigital number, since it uses as much as digits as its factorization.

32878852649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46448640, while the sum is 62.

The spelling of 32878852649 in words is "thirty-two billion, eight hundred seventy-eight million, eight hundred fifty-two thousand, six hundred forty-nine".