7478078011 has 8 divisors (see below), whose sum is σ = 7737454800. Its totient is φ = 7218802080.

The previous prime is 7478078009. The next prime is 7478078033. The reversal of 7478078011 is 1108708747.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7478078011 - 2¹ = 7478078009 is a prime.

It is a super-2 number, since 2×7478078011² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7478078071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145281 + ... + 189901.

It is an arithmetic number, because the mean of its divisors is an integer number (967181850).

Almost surely, 2^7478078011 is an apocalyptic number.

7478078011 is a deficient number, since it is larger than the sum of its proper divisors (259376789).

7478078011 is a wasteful number, since it uses less digits than its factorization.

7478078011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50429.

The product of its (nonzero) digits is 87808, while the sum is 43.

The square root of 7478078011 is about 86475.8810940947. The cubic root of 7478078011 is about 1955.5248108424.

The spelling of 7478078011 in words is "seven billion, four hundred seventy-eight million, seventy-eight thousand, eleven".