86725511 has 2 divisors, whose sum is σ = 86725512. Its totient is φ = 86725510.

The previous prime is 86725477. The next prime is 86725553. The reversal of 86725511 is 11552768.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86725511 - 2¹⁰ = 86724487 is a prime.

It is a super-2 number, since 2×86725511² = 15042628516422242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86722511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43362755 + 43362756.

It is an arithmetic number, because the mean of its divisors is an integer number (43362756).

Almost surely, 2^86725511 is an apocalyptic number.

86725511 is a deficient number, since it is larger than the sum of its proper divisors (1).

86725511 is an equidigital number, since it uses as much as digits as its factorization.

86725511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16800, while the sum is 35.

The square root of 86725511 is about 9312.6532739064. The cubic root of 86725511 is about 442.6382659200.

The spelling of 86725511 in words is "eighty-six million, seven hundred twenty-five thousand, five hundred eleven".