77703677041 has 2 divisors, whose sum is σ = 77703677042. Its totient is φ = 77703677040.

The previous prime is 77703676979. The next prime is 77703677081. The reversal of 77703677041 is 14077630777.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64963814400 + 12739862641 = 254880^2 + 112871^2 .

It is a cyclic number.

It is not a de Polignac number, because 77703677041 - 2¹⁵ = 77703644273 is a prime.

It is a super-2 number, since 2×77703677041² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (77703677081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38851838520 + 38851838521.

It is an arithmetic number, because the mean of its divisors is an integer number (38851838521).

Almost surely, 2^77703677041 is an apocalyptic number.

It is an amenable number.

77703677041 is a deficient number, since it is larger than the sum of its proper divisors (1).

77703677041 is an equidigital number, since it uses as much as digits as its factorization.

77703677041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1210104, while the sum is 49.

The spelling of 77703677041 in words is "seventy-seven billion, seven hundred three million, six hundred seventy-seven thousand, forty-one".