7077040128 has 78 divisors (see below), whose sum is σ = 20442393374. Its totient is φ = 2359001088.

The previous prime is 7077040121. The next prime is 7077040141. The reversal of 7077040128 is 8210407707.

It can be written as a sum of positive squares in only one way, i.e., 5435817984 + 1641222144 = 73728^2 + 40512^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 7077040092 and 7077040101.

It is not an unprimeable number, because it can be changed into a prime (7077040121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59125 + ... + 132852.

Almost surely, 2^7077040128 is an apocalyptic number.

It is an amenable number.

7077040128 is an abundant number, since it is smaller than the sum of its proper divisors (13365353246).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7077040128 is a wasteful number, since it uses less digits than its factorization.

7077040128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192007 (or 191982 counting only the distinct ones).

The product of its (nonzero) digits is 21952, while the sum is 36.

The square root of 7077040128 is about 84125.1456343465. The cubic root of 7077040128 is about 1919.9233302718.

The spelling of 7077040128 in words is "seven billion, seventy-seven million, forty thousand, one hundred twenty-eight".