7430778040851 has 16 divisors (see below), whose sum is σ = 12009338248320. Its totient is φ = 4503501842760.

The previous prime is 7430778040793. The next prime is 7430778040867. The reversal of 7430778040851 is 1580408770347.

7430778040851 is a `hidden beast` number, since 7 + 43 + 0 + 77 + 80 + 408 + 51 = 666.

It is not a de Polignac number, because 7430778040851 - 2¹⁰ = 7430778039827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7430778040451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12509727045 + ... + 12509727638.

It is an arithmetic number, because the mean of its divisors is an integer number (750583640520).

Almost surely, 2^{7430778040851} is an apocalyptic number.

7430778040851 is a deficient number, since it is larger than the sum of its proper divisors (4578560207469).

7430778040851 is a wasteful number, since it uses less digits than its factorization.

7430778040851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25019454703 (or 25019454697 counting only the distinct ones).

The product of its (nonzero) digits is 5268480, while the sum is 54.

The spelling of 7430778040851 in words is "seven trillion, four hundred thirty billion, seven hundred seventy-eight million, forty thousand, eight hundred fifty-one".