85211201970720 has 192 divisors, whose sum is σ = 340844808003840. Its totient is φ = 19476846157824.

The previous prime is 85211201970709. The next prime is 85211201970929. The reversal of 85211201970720 is 2707910211258.

85211201970720 is a `hidden beast` number, since 8 + 521 + 1 + 20 + 19 + 70 + 7 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1408885137 + ... + 1408945616.

It is an arithmetic number, because the mean of its divisors is an integer number (1775233375020).

Almost surely, 2^{85211201970720} is an apocalyptic number.

85211201970720 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

85211201970720 is an abundant number, since it is smaller than the sum of its proper divisors (255633606033120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85211201970720 is a wasteful number, since it uses less digits than its factorization.

85211201970720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2817830784 (or 2817830770 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 45.

The spelling of 85211201970720 in words is "eighty-five trillion, two hundred eleven billion, two hundred one million, nine hundred seventy thousand, seven hundred twenty".