43890772088 has 8 divisors (see below), whose sum is σ = 82295197680. Its totient is φ = 21945386040.

The previous prime is 43890772073. The next prime is 43890772151. The reversal of 43890772088 is 88027709834.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2743173248 + ... + 2743173263.

It is an arithmetic number, because the mean of its divisors is an integer number (10286899710).

Almost surely, 2^43890772088 is an apocalyptic number.

It is an amenable number.

43890772088 is a deficient number, since it is larger than the sum of its proper divisors (38404425592).

43890772088 is a wasteful number, since it uses less digits than its factorization.

43890772088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5486346517 (or 5486346513 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 56.

The spelling of 43890772088 in words is "forty-three billion, eight hundred ninety million, seven hundred seventy-two thousand, eighty-eight".