7791827152 has 10 divisors (see below), whose sum is σ = 15096665138. Its totient is φ = 3895913568.

The previous prime is 7791827143. The next prime is 7791827161. The reversal of 7791827152 is 2517281977.

It is an interprime number because it is at equal distance from previous prime (7791827143) and next prime (7791827161).

It can be written as a sum of positive squares in only one way, i.e., 7374687376 + 417139776 = 85876^2 + 20424^2 .

It is a super-2 number, since 2×7791827152² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7791827096 and 7791827105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243494583 + ... + 243494614.

Almost surely, 2^7791827152 is an apocalyptic number.

It is an amenable number.

7791827152 is a deficient number, since it is larger than the sum of its proper divisors (7304837986).

7791827152 is a wasteful number, since it uses less digits than its factorization.

7791827152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486989205 (or 486989199 counting only the distinct ones).

The product of its digits is 493920, while the sum is 49.

The square root of 7791827152 is about 88271.3268961105. The cubic root of 7791827152 is about 1982.4995769095.

The spelling of 7791827152 in words is "seven billion, seven hundred ninety-one million, eight hundred twenty-seven thousand, one hundred fifty-two".