83408545 has 32 divisors (see below), whose sum is σ = 118786176. Its totient is φ = 55526400.

The previous prime is 83408539. The next prime is 83408551. The reversal of 83408545 is 54580438.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (83408539) and next prime (83408551).

It is not a de Polignac number, because 83408545 - 2¹¹ = 83406497 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33390 + ... + 35800.

It is an arithmetic number, because the mean of its divisors is an integer number (3712068).

Almost surely, 2^83408545 is an apocalyptic number.

83408545 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

83408545 is a deficient number, since it is larger than the sum of its proper divisors (35377631).

83408545 is a wasteful number, since it uses less digits than its factorization.

83408545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2481.

The product of its (nonzero) digits is 76800, while the sum is 37.

The square root of 83408545 is about 9132.8278753078. The cubic root of 83408545 is about 436.9215997401.

The spelling of 83408545 in words is "eighty-three million, four hundred eight thousand, five hundred forty-five".