86471051 has 2 divisors, whose sum is σ = 86471052. Its totient is φ = 86471050.

The previous prime is 86471029. The next prime is 86471057. The reversal of 86471051 is 15017468.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86471051 - 2⁶ = 86470987 is a prime.

It is a super-2 number, since 2×86471051² = 14954485322089202, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 86470999 and 86471017.

It is not a weakly prime, because it can be changed into another prime (86471057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43235525 + 43235526.

It is an arithmetic number, because the mean of its divisors is an integer number (43235526).

Almost surely, 2^86471051 is an apocalyptic number.

86471051 is a deficient number, since it is larger than the sum of its proper divisors (1).

86471051 is an equidigital number, since it uses as much as digits as its factorization.

86471051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 86471051 is about 9298.9811807531. The cubic root of 86471051 is about 442.2049290978.

The spelling of 86471051 in words is "eighty-six million, four hundred seventy-one thousand, fifty-one".