43878478622 has 32 divisors (see below), whose sum is σ = 72900069120. Its totient is φ = 19639730880.

The previous prime is 43878478603. The next prime is 43878478639. The reversal of 43878478622 is 22687487834.

It is a super-2 number, since 2×43878478622² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6566279 + ... + 6572957.

It is an arithmetic number, because the mean of its divisors is an integer number (2278127160).

Almost surely, 2^43878478622 is an apocalyptic number.

43878478622 is a deficient number, since it is larger than the sum of its proper divisors (29021590498).

43878478622 is a wasteful number, since it uses less digits than its factorization.

43878478622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11216.

The product of its digits is 28901376, while the sum is 59.

The spelling of 43878478622 in words is "forty-three billion, eight hundred seventy-eight million, four hundred seventy-eight thousand, six hundred twenty-two".