7772828034402 has 54 divisors (see below), whose sum is σ = 17605802330571. Its totient is φ = 2478206254920.

The previous prime is 7772828034263. The next prime is 7772828034421. The reversal of 7772828034402 is 2044308282777.

It can be written as a sum of positive squares in only one way, i.e., 3886414017201 + 3886414017201 = 1971399^2 + 1971399^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=1971399.

It is an unprimeable number.

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 26 ways as a sum of consecutive naturals, for example, 272038777 + ... + 272067347.

Almost surely, 2^{7772828034402} is an apocalyptic number.

7772828034402 is an abundant number, since it is smaller than the sum of its proper divisors (9832974296169).

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

7772828034402 is an frugal number, since it uses more digits than its factorization.

7772828034402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57196 (or 28599 counting only the distinct ones).

The product of its (nonzero) digits is 8429568, while the sum is 54.

The spelling of 7772828034402 in words is "seven trillion, seven hundred seventy-two billion, eight hundred twenty-eight million, thirty-four thousand, four hundred two".