85628738998 has 16 divisors (see below), whose sum is σ = 140567432976. Its totient is φ = 38797799040.

The previous prime is 85628738983. The next prime is 85628739013. The reversal of 85628738998 is 89983782658.

It is an interprime number because it is at equal distance from previous prime (85628738983) and next prime (85628739013).

It is a self number, because there is not a number n which added to its sum of digits gives 85628738998.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6210711 + ... + 6224482.

It is an arithmetic number, because the mean of its divisors is an integer number (8785464561).

Almost surely, 2^85628738998 is an apocalyptic number.

85628738998 is a deficient number, since it is larger than the sum of its proper divisors (54938693978).

85628738998 is a wasteful number, since it uses less digits than its factorization.

85628738998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12435519.

The product of its digits is 418037760, while the sum is 73.

The spelling of 85628738998 in words is "eighty-five billion, six hundred twenty-eight million, seven hundred thirty-eight thousand, nine hundred ninety-eight".