85428198926 has 16 divisors (see below), whose sum is σ = 146602034784. Its totient is φ = 36573661824.

The previous prime is 85428198913. The next prime is 85428198929. The reversal of 85428198926 is 62989182458.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85428198929) 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, 3188135 + ... + 3214818.

It is an arithmetic number, because the mean of its divisors is an integer number (9162627174).

Almost surely, 2^85428198926 is an apocalyptic number.

85428198926 is a deficient number, since it is larger than the sum of its proper divisors (61173835858).

85428198926 is a wasteful number, since it uses less digits than its factorization.

85428198926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6403915.

The product of its digits is 19906560, while the sum is 62.

The spelling of 85428198926 in words is "eighty-five billion, four hundred twenty-eight million, one hundred ninety-eight thousand, nine hundred twenty-six".