7622028878 has 16 divisors (see below), whose sum is σ = 11845457280. Its totient is φ = 3673946976.

The previous prime is 7622028877. The next prime is 7622028881. The reversal of 7622028878 is 8788202267.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7622028871) 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 7 ways as a sum of consecutive naturals, for example, 62750 + ... + 138497.

It is an arithmetic number, because the mean of its divisors is an integer number (740341080).

Almost surely, 2^7622028878 is an apocalyptic number.

7622028878 is a deficient number, since it is larger than the sum of its proper divisors (4223428402).

7622028878 is a wasteful number, since it uses less digits than its factorization.

7622028878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201931.

The product of its (nonzero) digits is 1204224, while the sum is 50.

The square root of 7622028878 is about 87304.2317301974. The cubic root of 7622028878 is about 1967.9929121451.

The spelling of 7622028878 in words is "seven billion, six hundred twenty-two million, twenty-eight thousand, eight hundred seventy-eight".