86734207 has 4 divisors (see below), whose sum is σ = 99124816. Its totient is φ = 74343600.

The previous prime is 86734181. The next prime is 86734231. The reversal of 86734207 is 70243768.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86734207 - 2¹¹ = 86732159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86734237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6195294 + ... + 6195307.

It is an arithmetic number, because the mean of its divisors is an integer number (24781204).

Almost surely, 2^86734207 is an apocalyptic number.

86734207 is a deficient number, since it is larger than the sum of its proper divisors (12390609).

86734207 is a wasteful number, since it uses less digits than its factorization.

86734207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12390608.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 86734207 is about 9313.1201538475. The cubic root of 86734207 is about 442.6530599281.

It can be divided in two parts, 8673 and 4207, that added together give a triangular number (12880 = T₁₆₀).

The spelling of 86734207 in words is "eighty-six million, seven hundred thirty-four thousand, two hundred seven".