83617145420862 has 32 divisors (see below), whose sum is σ = 168674952241152. Its totient is φ = 27633143118944.

The previous prime is 83617145420759. The next prime is 83617145420867. The reversal of 83617145420862 is 26802454171638.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83617145420867) 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, 108559113 + ... + 109326644.

It is an arithmetic number, because the mean of its divisors is an integer number (5271092257536).

Almost surely, 2^{83617145420862} is an apocalyptic number.

83617145420862 is an abundant number, since it is smaller than the sum of its proper divisors (85057806820290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83617145420862 is a wasteful number, since it uses less digits than its factorization.

83617145420862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217886312.

The product of its (nonzero) digits is 15482880, while the sum is 57.

The spelling of 83617145420862 in words is "eighty-three trillion, six hundred seventeen billion, one hundred forty-five million, four hundred twenty thousand, eight hundred sixty-two".