7922162478 has 16 divisors (see below), whose sum is σ = 15875830656. Its totient is φ = 2635469880.

The previous prime is 7922162473. The next prime is 7922162483. The reversal of 7922162478 is 8742612297.

It is an interprime number because it is at equal distance from previous prime (7922162473) and next prime (7922162483).

It is a super-2 number, since 2×7922162478² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7922162473) 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 7 ways as a sum of consecutive naturals, for example, 1309468 + ... + 1315503.

It is an arithmetic number, because the mean of its divisors is an integer number (992239416).

Almost surely, 2^7922162478 is an apocalyptic number.

7922162478 is an abundant number, since it is smaller than the sum of its proper divisors (7953668178).

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

7922162478 is a wasteful number, since it uses less digits than its factorization.

7922162478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2625479.

The product of its digits is 677376, while the sum is 48.

The square root of 7922162478 is about 89006.5305356860. The cubic root of 7922162478 is about 1993.4923882942.

The spelling of 7922162478 in words is "seven billion, nine hundred twenty-two million, one hundred sixty-two thousand, four hundred seventy-eight".