86734899 has 12 divisors (see below), whose sum is σ = 125494200. Its totient is φ = 57726144.

The previous prime is 86734891. The next prime is 86734927. The reversal of 86734899 is 99843768.

It is not a de Polignac number, because 86734899 - 2³ = 86734891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86734891) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2214 + ... + 13355.

It is an arithmetic number, because the mean of its divisors is an integer number (10457850).

Almost surely, 2^86734899 is an apocalyptic number.

86734899 is a deficient number, since it is larger than the sum of its proper divisors (38759301).

86734899 is a wasteful number, since it uses less digits than its factorization.

86734899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16194 (or 16191 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 86734899 is about 9313.1573056617. The cubic root of 86734899 is about 442.6542371457.

The spelling of 86734899 in words is "eighty-six million, seven hundred thirty-four thousand, eight hundred ninety-nine".