85622067018390 has 64 divisors (see below), whose sum is σ = 235249182088704. Its totient is φ = 19537417843968.

The previous prime is 85622067018349. The next prime is 85622067018409. The reversal of 85622067018390 is 9381076022658.

It is a super-2 number, since 2×85622067018390² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 85622067018390.

It is a congruent number.

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, 347171559 + ... + 347418098.

It is an arithmetic number, because the mean of its divisors is an integer number (3675768470136).

Almost surely, 2^{85622067018390} is an apocalyptic number.

85622067018390 is an abundant number, since it is smaller than the sum of its proper divisors (149627115070314).

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

85622067018390 is a wasteful number, since it uses less digits than its factorization.

85622067018390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694590261.

The product of its (nonzero) digits is 8709120, while the sum is 57.

The spelling of 85622067018390 in words is "eighty-five trillion, six hundred twenty-two billion, sixty-seven million, eighteen thousand, three hundred ninety".