83107515407087 has 4 divisors (see below), whose sum is σ = 85788403000896. Its totient is φ = 80426627813280.

The previous prime is 83107515407051. The next prime is 83107515407101. The reversal of 83107515407087 is 78070451570138.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 83107515407087 - 2¹⁰ = 83107515406063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83107515467087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1340443796858 + ... + 1340443796919.

It is an arithmetic number, because the mean of its divisors is an integer number (21447100750224).

Almost surely, 2^{83107515407087} is an apocalyptic number.

83107515407087 is a deficient number, since it is larger than the sum of its proper divisors (2680887593809).

83107515407087 is a wasteful number, since it uses less digits than its factorization.

83107515407087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2680887593808.

The product of its (nonzero) digits is 6585600, while the sum is 56.

The spelling of 83107515407087 in words is "eighty-three trillion, one hundred seven billion, five hundred fifteen million, four hundred seven thousand, eighty-seven".