86742873 has 16 divisors (see below), whose sum is σ = 146866560. Its totient is φ = 49567248.

The previous prime is 86742833. The next prime is 86742881. The reversal of 86742873 is 37824768.

It is a happy number.

It is not a de Polignac number, because 86742873 - 2²¹ = 84645721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86742833) 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, 229290 + ... + 229667.

It is an arithmetic number, because the mean of its divisors is an integer number (9179160).

Almost surely, 2^86742873 is an apocalyptic number.

It is an amenable number.

86742873 is a deficient number, since it is larger than the sum of its proper divisors (60123687).

86742873 is a wasteful number, since it uses less digits than its factorization.

86742873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458973 (or 458967 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 86742873 is about 9313.5853998339. The cubic root of 86742873 is about 442.6678019151.

The spelling of 86742873 in words is "eighty-six million, seven hundred forty-two thousand, eight hundred seventy-three".