83450787707 has 4 divisors (see below), whose sum is σ = 95372328816. Its totient is φ = 71529246600.

The previous prime is 83450787689. The next prime is 83450787727. The reversal of 83450787707 is 70778705438.

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

It is not a de Polignac number, because 83450787707 - 2¹⁶ = 83450722171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83450787727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5960770544 + ... + 5960770557.

It is an arithmetic number, because the mean of its divisors is an integer number (23843082204).

Almost surely, 2^83450787707 is an apocalyptic number.

83450787707 is a deficient number, since it is larger than the sum of its proper divisors (11921541109).

83450787707 is a wasteful number, since it uses less digits than its factorization.

83450787707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11921541108.

The product of its (nonzero) digits is 9219840, while the sum is 56.

The spelling of 83450787707 in words is "eighty-three billion, four hundred fifty million, seven hundred eighty-seven thousand, seven hundred seven".