1077720404 has 6 divisors (see below), whose sum is σ = 1886010714. Its totient is φ = 538860200.

The previous prime is 1077720401. The next prime is 1077720419. The reversal of 1077720404 is 4040277701.

It can be written as a sum of positive squares in only one way, i.e., 1049630404 + 28090000 = 32398^2 + 5300^2 .

It is a super-2 number, since 2×1077720404² = 2322962538395846432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1077720401) by changing a digit.

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, 134715047 + ... + 134715054.

It is an arithmetic number, because the mean of its divisors is an integer number (314335119).

Almost surely, 2^1077720404 is an apocalyptic number.

It is an amenable number.

1077720404 is a deficient number, since it is larger than the sum of its proper divisors (808290310).

1077720404 is a wasteful number, since it uses less digits than its factorization.

1077720404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269430105 (or 269430103 counting only the distinct ones).

The product of its (nonzero) digits is 10976, while the sum is 32.

The square root of 1077720404 is about 32828.6521806790. The cubic root of 1077720404 is about 1025.2631976101.

The spelling of 1077720404 in words is "one billion, seventy-seven million, seven hundred twenty thousand, four hundred four".