32978767 has 2 divisors, whose sum is σ = 32978768. Its totient is φ = 32978766.

The previous prime is 32978753. The next prime is 32978797. The reversal of 32978767 is 76787923.

It is a weak prime.

It is an emirp because it is prime and its reverse (76787923) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32978767 - 2¹⁵ = 32945999 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32978767.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32978707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16489383 + 16489384.

It is an arithmetic number, because the mean of its divisors is an integer number (16489384).

Almost surely, 2^32978767 is an apocalyptic number.

32978767 is a deficient number, since it is larger than the sum of its proper divisors (1).

32978767 is an equidigital number, since it uses as much as digits as its factorization.

32978767 is an evil number, because the sum of its binary digits is even.

The product of its digits is 889056, while the sum is 49.

The square root of 32978767 is about 5742.7142537305. The cubic root of 32978767 is about 320.6846247283.

The spelling of 32978767 in words is "thirty-two million, nine hundred seventy-eight thousand, seven hundred sixty-seven".