86501967 has 16 divisors (see below), whose sum is σ = 125423712. Its totient is φ = 52807680.

The previous prime is 86501963. The next prime is 86501969. The reversal of 86501967 is 76910568.

It is not a de Polignac number, because 86501967 - 2² = 86501963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86501963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21034 + ... + 24807.

It is an arithmetic number, because the mean of its divisors is an integer number (7838982).

Almost surely, 2^86501967 is an apocalyptic number.

86501967 is a deficient number, since it is larger than the sum of its proper divisors (38921745).

86501967 is a wasteful number, since it uses less digits than its factorization.

86501967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45898.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 86501967 is about 9300.6433648431. The cubic root of 86501967 is about 442.2576233366.

The spelling of 86501967 in words is "eighty-six million, five hundred one thousand, nine hundred sixty-seven".