85407955 has 8 divisors (see below), whose sum is σ = 102599712. Its totient is φ = 68252928.

The previous prime is 85407943. The next prime is 85407967. The reversal of 85407955 is 55970458.

It is an interprime number because it is at equal distance from previous prime (85407943) and next prime (85407967).

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 85407955 - 2¹¹ = 85405907 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, 3774 + ... + 13603.

It is an arithmetic number, because the mean of its divisors is an integer number (12824964).

Almost surely, 2^85407955 is an apocalyptic number.

85407955 is a deficient number, since it is larger than the sum of its proper divisors (17191757).

85407955 is a wasteful number, since it uses less digits than its factorization.

85407955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18365.

The product of its (nonzero) digits is 252000, while the sum is 43.

The square root of 85407955 is about 9241.6424406055. The cubic root of 85407955 is about 440.3852600231.

The spelling of 85407955 in words is "eighty-five million, four hundred seven thousand, nine hundred fifty-five".