85402115 has 8 divisors (see below), whose sum is σ = 102931440. Its totient is φ = 68022432.

The previous prime is 85402111. The next prime is 85402193. The reversal of 85402115 is 51120458.

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 85402115 - 2² = 85402111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85402111) 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, 36149 + ... + 38438.

It is an arithmetic number, because the mean of its divisors is an integer number (12866430).

Almost surely, 2^85402115 is an apocalyptic number.

85402115 is a deficient number, since it is larger than the sum of its proper divisors (17529325).

85402115 is a wasteful number, since it uses less digits than its factorization.

85402115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74821.

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 85402115 is about 9241.3264740512. The cubic root of 85402115 is about 440.3752222831.

The spelling of 85402115 in words is "eighty-five million, four hundred two thousand, one hundred fifteen".