77530825004 has 6 divisors (see below), whose sum is σ = 135678943764. Its totient is φ = 38765412500.

The previous prime is 77530824947. The next prime is 77530825013. The reversal of 77530825004 is 40052803577.

It is a super-2 number, since 2×77530825004² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9691353122 + ... + 9691353129.

It is an arithmetic number, because the mean of its divisors is an integer number (22613157294).

Almost surely, 2^77530825004 is an apocalyptic number.

It is an amenable number.

77530825004 is a deficient number, since it is larger than the sum of its proper divisors (58148118760).

77530825004 is a wasteful number, since it uses less digits than its factorization.

77530825004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19382706255 (or 19382706253 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 41.

The spelling of 77530825004 in words is "seventy-seven billion, five hundred thirty million, eight hundred twenty-five thousand, four".