7148770547 has 4 divisors (see below), whose sum is σ = 7300872096. Its totient is φ = 6996669000.

The previous prime is 7148770513. The next prime is 7148770561. The reversal of 7148770547 is 7450778417.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7450778417 = 44651 ⋅166867.

It is a cyclic number.

It is not a de Polignac number, because 7148770547 - 2¹² = 7148766451 is a prime.

It is a super-2 number, since 2×7148770547² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7148770495 and 7148770504.

It is not an unprimeable number, because it can be changed into a prime (7148770567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76050704 + ... + 76050797.

It is an arithmetic number, because the mean of its divisors is an integer number (1825218024).

Almost surely, 2^7148770547 is an apocalyptic number.

7148770547 is a deficient number, since it is larger than the sum of its proper divisors (152101549).

7148770547 is a wasteful number, since it uses less digits than its factorization.

7148770547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152101548.

The product of its (nonzero) digits is 1536640, while the sum is 50.

The square root of 7148770547 is about 84550.4024059022. The cubic root of 7148770547 is about 1926.3880962043.

The spelling of 7148770547 in words is "seven billion, one hundred forty-eight million, seven hundred seventy thousand, five hundred forty-seven".