85513078 has 16 divisors (see below), whose sum is σ = 147651840. Its totient is φ = 36383976.

The previous prime is 85513063. The next prime is 85513079. The reversal of 85513078 is 87031558.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85513079) 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, 20026 + ... + 23917.

It is an arithmetic number, because the mean of its divisors is an integer number (9228240).

Almost surely, 2^85513078 is an apocalyptic number.

85513078 is a deficient number, since it is larger than the sum of its proper divisors (62138762).

85513078 is a wasteful number, since it uses less digits than its factorization.

85513078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44091.

The product of its (nonzero) digits is 33600, while the sum is 37.

The square root of 85513078 is about 9247.3281546618. The cubic root of 85513078 is about 440.5658663028.

The spelling of 85513078 in words is "eighty-five million, five hundred thirteen thousand, seventy-eight".