86379541 has 2 divisors, whose sum is σ = 86379542. Its totient is φ = 86379540.

The previous prime is 86379479. The next prime is 86379563. The reversal of 86379541 is 14597368.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53363025 + 33016516 = 7305^2 + 5746^2 .

It is a cyclic number.

It is not a de Polignac number, because 86379541 - 2¹³ = 86371349 is a prime.

It is a super-2 number, since 2×86379541² = 14922850206741362, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86379641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43189770 + 43189771.

It is an arithmetic number, because the mean of its divisors is an integer number (43189771).

Almost surely, 2^86379541 is an apocalyptic number.

It is an amenable number.

86379541 is a deficient number, since it is larger than the sum of its proper divisors (1).

86379541 is an equidigital number, since it uses as much as digits as its factorization.

86379541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 43.

The square root of 86379541 is about 9294.0594467649. The cubic root of 86379541 is about 442.0488828228.

The spelling of 86379541 in words is "eighty-six million, three hundred seventy-nine thousand, five hundred forty-one".