85356087398 has 4 divisors (see below), whose sum is σ = 128034131100. Its totient is φ = 42678043698.

The previous prime is 85356087391. The next prime is 85356087409. The reversal of 85356087398 is 89378065358.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 85356087398.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85356087391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21339021848 + ... + 21339021851.

It is an arithmetic number, because the mean of its divisors is an integer number (32008532775).

Almost surely, 2^85356087398 is an apocalyptic number.

85356087398 is a deficient number, since it is larger than the sum of its proper divisors (42678043702).

85356087398 is a wasteful number, since it uses less digits than its factorization.

85356087398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42678043701.

The product of its (nonzero) digits is 43545600, while the sum is 62.

The spelling of 85356087398 in words is "eighty-five billion, three hundred fifty-six million, eighty-seven thousand, three hundred ninety-eight".