77114621445 has 16 divisors (see below), whose sum is σ = 123593601600. Its totient is φ = 41057729024.

The previous prime is 77114621399. The next prime is 77114621447. The reversal of 77114621445 is 54412641177.

It is a cyclic number.

It is not a de Polignac number, because 77114621445 - 2⁸ = 77114621189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 77114621397 and 77114621406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77114621447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4370220 + ... + 4387829.

It is an arithmetic number, because the mean of its divisors is an integer number (7724600100).

Almost surely, 2^77114621445 is an apocalyptic number.

It is an amenable number.

77114621445 is a deficient number, since it is larger than the sum of its proper divisors (46478980155).

77114621445 is a wasteful number, since it uses less digits than its factorization.

77114621445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8758644.

The product of its digits is 188160, while the sum is 42.

The spelling of 77114621445 in words is "seventy-seven billion, one hundred fourteen million, six hundred twenty-one thousand, four hundred forty-five".