7145092878 has 96 divisors (see below), whose sum is σ = 18577133568. Its totient is φ = 1810569600.

The previous prime is 7145092873. The next prime is 7145092901. The reversal of 7145092878 is 8782905417.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7145092878.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7145092873) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 105651 + ... + 159537.

It is an arithmetic number, because the mean of its divisors is an integer number (193511808).

Almost surely, 2^7145092878 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7145092878, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9288566784).

7145092878 is an abundant number, since it is smaller than the sum of its proper divisors (11432040690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7145092878 is a wasteful number, since it uses less digits than its factorization.

7145092878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53958 (or 53951 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 51.

The square root of 7145092878 is about 84528.6512254869. The cubic root of 7145092878 is about 1926.0576975261.

The spelling of 7145092878 in words is "seven billion, one hundred forty-five million, ninety-two thousand, eight hundred seventy-eight".