43780879641 has 8 divisors (see below), whose sum is σ = 58616725024. Its totient is φ = 29066143680.

The previous prime is 43780879631. The next prime is 43780879657. The reversal of 43780879641 is 14697808734.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 43780879641 - 2¹⁷ = 43780748569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43780879631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30276511 + ... + 30277956.

It is an arithmetic number, because the mean of its divisors is an integer number (7327090628).

Almost surely, 2^43780879641 is an apocalyptic number.

It is an amenable number.

43780879641 is a deficient number, since it is larger than the sum of its proper divisors (14835845383).

43780879641 is a wasteful number, since it uses less digits than its factorization.

43780879641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60554711.

The product of its (nonzero) digits is 8128512, while the sum is 57.

The spelling of 43780879641 in words is "forty-three billion, seven hundred eighty million, eight hundred seventy-nine thousand, six hundred forty-one".