77148007057 has 16 divisors (see below), whose sum is σ = 86178742848. Its totient is φ = 68455759680.

The previous prime is 77148007051. The next prime is 77148007067. The reversal of 77148007057 is 75070084177.

It is a happy number.

It is not a de Polignac number, because 77148007057 - 2³ = 77148007049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 77148006998 and 77148007016.

It is not an unprimeable number, because it can be changed into a prime (77148007051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 631143 + ... + 743395.

It is an arithmetic number, because the mean of its divisors is an integer number (5386171428).

Almost surely, 2^77148007057 is an apocalyptic number.

It is an amenable number.

77148007057 is a deficient number, since it is larger than the sum of its proper divisors (9030735791).

77148007057 is a wasteful number, since it uses less digits than its factorization.

77148007057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113760.

The product of its (nonzero) digits is 384160, while the sum is 46.

The spelling of 77148007057 in words is "seventy-seven billion, one hundred forty-eight million, seven thousand, fifty-seven".