1077560321 has 2 divisors, whose sum is σ = 1077560322. Its totient is φ = 1077560320.

The previous prime is 1077560273. The next prime is 1077560347. The reversal of 1077560321 is 1230657701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 666930625 + 410629696 = 25825^2 + 20264^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1077560321 is a prime.

It is a super-2 number, since 2×1077560321² = 2322272490787246082, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1077560371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 538780160 + 538780161.

It is an arithmetic number, because the mean of its divisors is an integer number (538780161).

Almost surely, 2^1077560321 is an apocalyptic number.

It is an amenable number.

1077560321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1077560321 is an equidigital number, since it uses as much as digits as its factorization.

1077560321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 1077560321 is about 32826.2139303332. The cubic root of 1077560321 is about 1025.2124314018.

The spelling of 1077560321 in words is "one billion, seventy-seven million, five hundred sixty thousand, three hundred twenty-one".