86951129 has 2 divisors, whose sum is σ = 86951130. Its totient is φ = 86951128.

The previous prime is 86951101. The next prime is 86951159. The reversal of 86951129 is 92115968.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76965529 + 9985600 = 8773^2 + 3160^2 .

It is a cyclic number.

It is not a de Polignac number, because 86951129 - 2¹⁶ = 86885593 is a prime.

It is not a weakly prime, because it can be changed into another prime (86951159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43475564 + 43475565.

It is an arithmetic number, because the mean of its divisors is an integer number (43475565).

Almost surely, 2^86951129 is an apocalyptic number.

It is an amenable number.

86951129 is a deficient number, since it is larger than the sum of its proper divisors (1).

86951129 is an equidigital number, since it uses as much as digits as its factorization.

86951129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 41.

The square root of 86951129 is about 9324.7589244977. The cubic root of 86951129 is about 443.0217773844.

The spelling of 86951129 in words is "eighty-six million, nine hundred fifty-one thousand, one hundred twenty-nine".