85001397 has 8 divisors (see below), whose sum is σ = 122053344. Its totient is φ = 52308528.

The previous prime is 85001387. The next prime is 85001431. The reversal of 85001397 is 79310058.

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

It is not a de Polignac number, because 85001397 - 2¹⁰ = 85000373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85001317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1089723 + ... + 1089800.

It is an arithmetic number, because the mean of its divisors is an integer number (15256668).

Almost surely, 2^85001397 is an apocalyptic number.

It is an amenable number.

85001397 is a deficient number, since it is larger than the sum of its proper divisors (37051947).

85001397 is a wasteful number, since it uses less digits than its factorization.

85001397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2179539.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 85001397 is about 9219.6202199440. The cubic root of 85001397 is about 439.6853759756.

The spelling of 85001397 in words is "eighty-five million, one thousand, three hundred ninety-seven".