7087772070369 has 81 divisors (see below), whose sum is σ = 10779550452307. Its totient is φ = 4487550967200.

The previous prime is 7087772070349. The next prime is 7087772070419. The reversal of 7087772070369 is 9630702777807.

The square root of 7087772070369 is 2662287.

It is a perfect power (a square), and thus also a powerful number.

7087772070369 is a `hidden beast` number, since 70 + 8 + 77 + 72 + 0 + 70 + 369 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3716655746769 + 3371116323600 = 1927863^2 + 1836060^2 .

It is not a de Polignac number, because 7087772070369 - 2⁷ = 7087772070241 is a prime.

It is a super-2 number, since 2×7087772070369² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7087772070349) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 16444946584 + ... + 16444947014.

Almost surely, 2^{7087772070369} is an apocalyptic number.

7087772070369 is the 2662287-th square number.

7087772070369 is the 1331144-th centered octagonal number.

It is an amenable number.

7087772070369 is a deficient number, since it is larger than the sum of its proper divisors (3691778381938).

7087772070369 is an frugal number, since it uses more digits than its factorization.

7087772070369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068 (or 534 counting only the distinct ones).

The product of its (nonzero) digits is 43563744, while the sum is 63.

The spelling of 7087772070369 in words is "seven trillion, eighty-seven billion, seven hundred seventy-two million, seventy thousand, three hundred sixty-nine".