86701671 has 24 divisors (see below), whose sum is σ = 148430464. Its totient is φ = 49542840.

The previous prime is 86701663. The next prime is 86701687. The reversal of 86701671 is 17610768.

It is a happy number.

It is not a de Polignac number, because 86701671 - 2³ = 86701663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86701691) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23785 + ... + 27186.

Almost surely, 2^86701671 is an apocalyptic number.

86701671 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

86701671 is a deficient number, since it is larger than the sum of its proper divisors (61728793).

86701671 is an equidigital number, since it uses as much as digits as its factorization.

86701671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50993 (or 50981 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 86701671 is about 9311.3732069980. The cubic root of 86701671 is about 442.5977032174.

The spelling of 86701671 in words is "eighty-six million, seven hundred one thousand, six hundred seventy-one".