85553006770 has 384 divisors, whose sum is σ = 219896259840. Its totient is φ = 23549460480.

The previous prime is 85553006761. The next prime is 85553006779. The reversal of 85553006770 is 7760035558.

It is an interprime number because it is at equal distance from previous prime (85553006761) and next prime (85553006779).

It is a self number, because there is not a number n which added to its sum of digits gives 85553006770.

It is not an unprimeable number, because it can be changed into a prime (85553006779) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 273332134 + ... + 273332446.

It is an arithmetic number, because the mean of its divisors is an integer number (572646510).

Almost surely, 2^85553006770 is an apocalyptic number.

85553006770 is an abundant number, since it is smaller than the sum of its proper divisors (134343253070).

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

85553006770 is a wasteful number, since it uses less digits than its factorization.

85553006770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538 (or 531 counting only the distinct ones).

The product of its (nonzero) digits is 882000, while the sum is 46.

The spelling of 85553006770 in words is "eighty-five billion, five hundred fifty-three million, six thousand, seven hundred seventy".