73777064903 has 2 divisors, whose sum is σ = 73777064904. Its totient is φ = 73777064902.

The previous prime is 73777064891. The next prime is 73777064939. The reversal of 73777064903 is 30946077737.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73777064903 - 2⁶ = 73777064839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73777064953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36888532451 + 36888532452.

It is an arithmetic number, because the mean of its divisors is an integer number (36888532452).

Almost surely, 2^73777064903 is an apocalyptic number.

73777064903 is a deficient number, since it is larger than the sum of its proper divisors (1).

73777064903 is an equidigital number, since it uses as much as digits as its factorization.

73777064903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4667544, while the sum is 53.

The spelling of 73777064903 in words is "seventy-three billion, seven hundred seventy-seven million, sixty-four thousand, nine hundred three".