77700323955 has 32 divisors (see below), whose sum is σ = 124683796224. Its totient is φ = 41319248256.

The previous prime is 77700323951. The next prime is 77700323969. The reversal of 77700323955 is 55932300777.

It is not a de Polignac number, because 77700323955 - 2² = 77700323951 is a prime.

It is not an unprimeable number, because it can be changed into a prime (77700323951) 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 31 ways as a sum of consecutive naturals, for example, 8758432 + ... + 8767298.

It is an arithmetic number, because the mean of its divisors is an integer number (3896368632).

Almost surely, 2^77700323955 is an apocalyptic number.

77700323955 is a deficient number, since it is larger than the sum of its proper divisors (46983472269).

77700323955 is a wasteful number, since it uses less digits than its factorization.

77700323955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10515.

The product of its (nonzero) digits is 1389150, while the sum is 48.

The spelling of 77700323955 in words is "seventy-seven billion, seven hundred million, three hundred twenty-three thousand, nine hundred fifty-five".