870840083 has 2 divisors, whose sum is σ = 870840084. Its totient is φ = 870840082.

The previous prime is 870840023. The next prime is 870840121. The reversal of 870840083 is 380048078.

It is an a-pointer prime, because the next prime (870840121) can be obtained adding 870840083 to its sum of digits (38).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 870840083 - 2¹⁶ = 870774547 is a prime.

It is not a weakly prime, because it can be changed into another prime (870840013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435420041 + 435420042.

It is an arithmetic number, because the mean of its divisors is an integer number (435420042).

Almost surely, 2^870840083 is an apocalyptic number.

870840083 is a deficient number, since it is larger than the sum of its proper divisors (1).

870840083 is an equidigital number, since it uses as much as digits as its factorization.

870840083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 870840083 is about 29509.9997119620. Note that the first 3 decimals coincide. The cubic root of 870840083 is about 954.9474429927.

The spelling of 870840083 in words is "eight hundred seventy million, eight hundred forty thousand, eighty-three".