83415215842 has 16 divisors (see below), whose sum is σ = 150523698240. Its totient is φ = 33867831888.

The previous prime is 83415215813. The next prime is 83415215843. The reversal of 83415215842 is 24851251438.

It is not an unprimeable number, because it can be changed into a prime (83415215843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156795253 + ... + 156795784.

It is an arithmetic number, because the mean of its divisors is an integer number (9407731140).

Almost surely, 2^83415215842 is an apocalyptic number.

83415215842 is a deficient number, since it is larger than the sum of its proper divisors (67108482398).

83415215842 is a wasteful number, since it uses less digits than its factorization.

83415215842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313591065.

The product of its digits is 307200, while the sum is 43.

The spelling of 83415215842 in words is "eighty-three billion, four hundred fifteen million, two hundred fifteen thousand, eight hundred forty-two".