85478703238 has 8 divisors (see below), whose sum is σ = 135760293432. Its totient is φ = 40225272096.

The previous prime is 85478703229. The next prime is 85478703241. The reversal of 85478703238 is 83230787458.

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

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1257039720 + ... + 1257039787.

It is an arithmetic number, because the mean of its divisors is an integer number (16970036679).

Almost surely, 2^85478703238 is an apocalyptic number.

85478703238 is a deficient number, since it is larger than the sum of its proper divisors (50281590194).

85478703238 is a wasteful number, since it uses less digits than its factorization.

85478703238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2514079526.

The product of its (nonzero) digits is 9031680, while the sum is 55.

The spelling of 85478703238 in words is "eighty-five billion, four hundred seventy-eight million, seven hundred three thousand, two hundred thirty-eight".