77734585076051 has 2 divisors, whose sum is σ = 77734585076052. Its totient is φ = 77734585076050.

The previous prime is 77734585076047. The next prime is 77734585076081. The reversal of 77734585076051 is 15067058543777.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 77734585076051 - 2² = 77734585076047 is a prime.

It is not a weakly prime, because it can be changed into another prime (77734585076041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38867292538025 + 38867292538026.

It is an arithmetic number, because the mean of its divisors is an integer number (38867292538026).

Almost surely, 2^{77734585076051} is an apocalyptic number.

77734585076051 is a deficient number, since it is larger than the sum of its proper divisors (1).

77734585076051 is an equidigital number, since it uses as much as digits as its factorization.

77734585076051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172872000, while the sum is 65.

The spelling of 77734585076051 in words is "seventy-seven trillion, seven hundred thirty-four billion, five hundred eighty-five million, seventy-six thousand, fifty-one".