85736657938 has 8 divisors (see below), whose sum is σ = 131595800688. Its totient is φ = 41871391044.

The previous prime is 85736657879. The next prime is 85736657953. The reversal of 85736657938 is 83975663758.

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

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, 498468856 + ... + 498469027.

It is an arithmetic number, because the mean of its divisors is an integer number (16449475086).

Almost surely, 2^85736657938 is an apocalyptic number.

85736657938 is a deficient number, since it is larger than the sum of its proper divisors (45859142750).

85736657938 is a wasteful number, since it uses less digits than its factorization.

85736657938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996937928.

The product of its digits is 228614400, while the sum is 67.

The spelling of 85736657938 in words is "eighty-five billion, seven hundred thirty-six million, six hundred fifty-seven thousand, nine hundred thirty-eight".