83187401 has 16 divisors (see below), whose sum is σ = 94385088. Its totient is φ = 72652800.

The previous prime is 83187371. The next prime is 83187407. The reversal of 83187401 is 10478138.

It is not a de Polignac number, because 83187401 - 2¹⁸ = 82925257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83187407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28841 + ... + 31593.

It is an arithmetic number, because the mean of its divisors is an integer number (5899068).

Almost surely, 2^83187401 is an apocalyptic number.

It is an amenable number.

83187401 is a deficient number, since it is larger than the sum of its proper divisors (11197687).

83187401 is a wasteful number, since it uses less digits than its factorization.

83187401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2872.

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

The square root of 83187401 is about 9120.7127462715. The cubic root of 83187401 is about 436.5351161202.

The spelling of 83187401 in words is "eighty-three million, one hundred eighty-seven thousand, four hundred one".