77770602027 has 12 divisors (see below), whose sum is σ = 112392976800. Its totient is φ = 51820454448.

The previous prime is 77770601999. The next prime is 77770602037. The reversal of 77770602027 is 72020607777.

It is not a de Polignac number, because 77770602027 - 2¹⁰ = 77770601003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (77770602037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2199283 + ... + 2234364.

It is an arithmetic number, because the mean of its divisors is an integer number (9366081400).

Almost surely, 2^77770602027 is an apocalyptic number.

77770602027 is a deficient number, since it is larger than the sum of its proper divisors (34622374773).

77770602027 is a wasteful number, since it uses less digits than its factorization.

77770602027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4435602 (or 4435599 counting only the distinct ones).

The product of its (nonzero) digits is 403368, while the sum is 45.

The spelling of 77770602027 in words is "seventy-seven billion, seven hundred seventy million, six hundred two thousand, twenty-seven".