85921628132 has 6 divisors (see below), whose sum is σ = 150362849238. Its totient is φ = 42960814064.

The previous prime is 85921628101. The next prime is 85921628201. The reversal of 85921628132 is 23182612958.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 79898936896 + 6022691236 = 282664^2 + 77606^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10740203513 + ... + 10740203520.

It is an arithmetic number, because the mean of its divisors is an integer number (25060474873).

Almost surely, 2^85921628132 is an apocalyptic number.

It is an amenable number.

85921628132 is a deficient number, since it is larger than the sum of its proper divisors (64441221106).

85921628132 is a wasteful number, since it uses less digits than its factorization.

85921628132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21480407037 (or 21480407035 counting only the distinct ones).

The product of its digits is 414720, while the sum is 47.

The spelling of 85921628132 in words is "eighty-five billion, nine hundred twenty-one million, six hundred twenty-eight thousand, one hundred thirty-two".