86442755 has 8 divisors (see below), whose sum is σ = 118550112. Its totient is φ = 59275008.

The previous prime is 86442743. The next prime is 86442779. The reversal of 86442755 is 55724468.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86442755 - 2¹⁴ = 86426371 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1234862 + ... + 1234931.

It is an arithmetic number, because the mean of its divisors is an integer number (14818764).

Almost surely, 2^86442755 is an apocalyptic number.

86442755 is a deficient number, since it is larger than the sum of its proper divisors (32107357).

86442755 is a wasteful number, since it uses less digits than its factorization.

86442755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2469805.

The product of its digits is 268800, while the sum is 41.

The square root of 86442755 is about 9297.4595992669. The cubic root of 86442755 is about 442.1566894630.

The spelling of 86442755 in words is "eighty-six million, four hundred forty-two thousand, seven hundred fifty-five".