83780411 has 8 divisors (see below), whose sum is σ = 98427504. Its totient is φ = 70305120.

The previous prime is 83780407. The next prime is 83780419. The reversal of 83780411 is 11408738.

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

It is a cyclic number.

It is not a de Polignac number, because 83780411 - 2² = 83780407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83780419) 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, 292796 + ... + 293081.

It is an arithmetic number, because the mean of its divisors is an integer number (12303438).

Almost surely, 2^83780411 is an apocalyptic number.

83780411 is a deficient number, since it is larger than the sum of its proper divisors (14647093).

83780411 is a wasteful number, since it uses less digits than its factorization.

83780411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585901.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 83780411 is about 9153.1639884796. The cubic root of 83780411 is about 437.5699562692.

The spelling of 83780411 in words is "eighty-three million, seven hundred eighty thousand, four hundred eleven".