85507783630 has 16 divisors (see below), whose sum is σ = 153923330880. Its totient is φ = 34201042272.

The previous prime is 85507783609. The next prime is 85507783637. The reversal of 85507783630 is 3638770558.

It is a super-2 number, since 2×85507783630² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85507783637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79590 + ... + 421129.

It is an arithmetic number, because the mean of its divisors is an integer number (9620208180).

Almost surely, 2^85507783630 is an apocalyptic number.

85507783630 is a deficient number, since it is larger than the sum of its proper divisors (68415547250).

85507783630 is a wasteful number, since it uses less digits than its factorization.

85507783630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517803.

The product of its (nonzero) digits is 4233600, while the sum is 52.

The spelling of 85507783630 in words is "eighty-five billion, five hundred seven million, seven hundred eighty-three thousand, six hundred thirty".