32779661 has 2 divisors, whose sum is σ = 32779662. Its totient is φ = 32779660.

The previous prime is 32779603. The next prime is 32779687. The reversal of 32779661 is 16697723.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32604100 + 175561 = 5710^2 + 419^2 .

It is a cyclic number.

It is not a de Polignac number, because 32779661 - 2⁶ = 32779597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32779601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16389830 + 16389831.

It is an arithmetic number, because the mean of its divisors is an integer number (16389831).

Almost surely, 2^32779661 is an apocalyptic number.

It is an amenable number.

32779661 is a deficient number, since it is larger than the sum of its proper divisors (1).

32779661 is an equidigital number, since it uses as much as digits as its factorization.

32779661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 95256, while the sum is 41.

The square root of 32779661 is about 5725.3524782322. The cubic root of 32779661 is about 320.0379544825.

The spelling of 32779661 in words is "thirty-two million, seven hundred seventy-nine thousand, six hundred sixty-one".