40777670767 has 2 divisors, whose sum is σ = 40777670768. Its totient is φ = 40777670766.

The previous prime is 40777670719. The next prime is 40777670771. The reversal of 40777670767 is 76707677704.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40777670767 - 2⁷ = 40777670639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40777670777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20388835383 + 20388835384.

It is an arithmetic number, because the mean of its divisors is an integer number (20388835384).

Almost surely, 2^40777670767 is an apocalyptic number.

40777670767 is a deficient number, since it is larger than the sum of its proper divisors (1).

40777670767 is an equidigital number, since it uses as much as digits as its factorization.

40777670767 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16941456, while the sum is 58.

The spelling of 40777670767 in words is "forty billion, seven hundred seventy-seven million, six hundred seventy thousand, seven hundred sixty-seven".