83451411 has 32 divisors (see below), whose sum is σ = 128563200. Its totient is φ = 53442720.

The previous prime is 83451409. The next prime is 83451443. The reversal of 83451411 is 11415438.

It is a happy number.

It is not a de Polignac number, because 83451411 - 2¹ = 83451409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (83451451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149545 + ... + 150101.

It is an arithmetic number, because the mean of its divisors is an integer number (4017600).

Almost surely, 2^83451411 is an apocalyptic number.

83451411 is a deficient number, since it is larger than the sum of its proper divisors (45111789).

83451411 is a wasteful number, since it uses less digits than its factorization.

83451411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776 (or 770 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 83451411 is about 9135.1743825720. The cubic root of 83451411 is about 436.9964356926.

Adding to 83451411 its reverse (11415438), we get a palindrome (94866849).

The spelling of 83451411 in words is "eighty-three million, four hundred fifty-one thousand, four hundred eleven".