40779367 has 2 divisors, whose sum is σ = 40779368. Its totient is φ = 40779366.

The previous prime is 40779331. The next prime is 40779433. The reversal of 40779367 is 76397704.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40779367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40779317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20389683 + 20389684.

It is an arithmetic number, because the mean of its divisors is an integer number (20389684).

Almost surely, 2^40779367 is an apocalyptic number.

40779367 is a deficient number, since it is larger than the sum of its proper divisors (1).

40779367 is an equidigital number, since it uses as much as digits as its factorization.

40779367 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 222264, while the sum is 43.

The square root of 40779367 is about 6385.8724540974. The cubic root of 40779367 is about 344.2020823409.

The spelling of 40779367 in words is "forty million, seven hundred seventy-nine thousand, three hundred sixty-seven".