77153055667 has 2 divisors, whose sum is σ = 77153055668. Its totient is φ = 77153055666.

The previous prime is 77153055611. The next prime is 77153055671. The reversal of 77153055667 is 76655035177.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 77153055667 - 2¹⁵ = 77153022899 is a prime.

It is not a weakly prime, because it can be changed into another prime (77153055167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38576527833 + 38576527834.

It is an arithmetic number, because the mean of its divisors is an integer number (38576527834).

Almost surely, 2^77153055667 is an apocalyptic number.

77153055667 is a deficient number, since it is larger than the sum of its proper divisors (1).

77153055667 is an equidigital number, since it uses as much as digits as its factorization.

77153055667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4630500, while the sum is 52.

The spelling of 77153055667 in words is "seventy-seven billion, one hundred fifty-three million, fifty-five thousand, six hundred sixty-seven".