85013738 has 8 divisors (see below), whose sum is σ = 128376900. Its totient is φ = 42221440.

The previous prime is 85013737. The next prime is 85013743. The reversal of 85013738 is 83731058.

It can be written as a sum of positive squares in 2 ways, for example, as 65237929 + 19775809 = 8077^2 + 4447^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 85013698 and 85013707.

It is not an unprimeable number, because it can be changed into a prime (85013737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142343 + ... + 142938.

Almost surely, 2^85013738 is an apocalyptic number.

85013738 is a deficient number, since it is larger than the sum of its proper divisors (43363162).

85013738 is a wasteful number, since it uses less digits than its factorization.

85013738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285432.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 85013738 is about 9220.2894748484. The cubic root of 85013738 is about 439.7066536441.

The spelling of 85013738 in words is "eighty-five million, thirteen thousand, seven hundred thirty-eight".