83078525987 has 2 divisors, whose sum is σ = 83078525988. Its totient is φ = 83078525986.

The previous prime is 83078525983. The next prime is 83078526007. The reversal of 83078525987 is 78952587038.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83078525987 - 2² = 83078525983 is a prime.

It is not a weakly prime, because it can be changed into another prime (83078525983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41539262993 + 41539262994.

It is an arithmetic number, because the mean of its divisors is an integer number (41539262994).

Almost surely, 2^83078525987 is an apocalyptic number.

83078525987 is a deficient number, since it is larger than the sum of its proper divisors (1).

83078525987 is an equidigital number, since it uses as much as digits as its factorization.

83078525987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33868800, while the sum is 62.

The spelling of 83078525987 in words is "eighty-three billion, seventy-eight million, five hundred twenty-five thousand, nine hundred eighty-seven".