84870107799 has 4 divisors (see below), whose sum is σ = 113160143736. Its totient is φ = 56580071864.

The previous prime is 84870107779. The next prime is 84870107807. The reversal of 84870107799 is 99770107848.

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 84870107799 - 2¹⁶ = 84870042263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84870107759) 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, 14145017964 + ... + 14145017969.

It is an arithmetic number, because the mean of its divisors is an integer number (28290035934).

Almost surely, 2^84870107799 is an apocalyptic number.

84870107799 is a deficient number, since it is larger than the sum of its proper divisors (28290035937).

84870107799 is a wasteful number, since it uses less digits than its factorization.

84870107799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28290035936.

The product of its (nonzero) digits is 7112448, while the sum is 60.

It can be divided in two parts, 84870107 and 799, that added together give a triangular number (84870906 = T₁₃₀₂₈).

The spelling of 84870107799 in words is "eighty-four billion, eight hundred seventy million, one hundred seven thousand, seven hundred ninety-nine".