85400101574 has 4 divisors (see below), whose sum is σ = 128100152364. Its totient is φ = 42700050786.

The previous prime is 85400101571. The next prime is 85400101603. The reversal of 85400101574 is 47510100458.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85400101571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21350025392 + ... + 21350025395.

It is an arithmetic number, because the mean of its divisors is an integer number (32025038091).

Almost surely, 2^85400101574 is an apocalyptic number.

85400101574 is a deficient number, since it is larger than the sum of its proper divisors (42700050790).

85400101574 is a wasteful number, since it uses less digits than its factorization.

85400101574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42700050789.

The product of its (nonzero) digits is 22400, while the sum is 35.

The spelling of 85400101574 in words is "eighty-five billion, four hundred million, one hundred one thousand, five hundred seventy-four".