83970527 has 2 divisors, whose sum is σ = 83970528. Its totient is φ = 83970526.

The previous prime is 83970487. The next prime is 83970541. The reversal of 83970527 is 72507938.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83970527 - 2¹⁶ = 83904991 is a prime.

It is equal to p_4887518 and since 83970527 and 4887518 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83970827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41985263 + 41985264.

It is an arithmetic number, because the mean of its divisors is an integer number (41985264).

Almost surely, 2^83970527 is an apocalyptic number.

83970527 is a deficient number, since it is larger than the sum of its proper divisors (1).

83970527 is an equidigital number, since it uses as much as digits as its factorization.

83970527 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 83970527 is about 9163.5433648780. The cubic root of 83970527 is about 437.9006867400.

The spelling of 83970527 in words is "eighty-three million, nine hundred seventy thousand, five hundred twenty-seven".