84025501894 has 8 divisors (see below), whose sum is σ = 133452267768. Its totient is φ = 39541412640.

The previous prime is 84025501853. The next prime is 84025501909. The reversal of 84025501894 is 49810552048.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1235669112 + ... + 1235669179.

It is an arithmetic number, because the mean of its divisors is an integer number (16681533471).

Almost surely, 2^84025501894 is an apocalyptic number.

84025501894 is a deficient number, since it is larger than the sum of its proper divisors (49426765874).

84025501894 is a wasteful number, since it uses less digits than its factorization.

84025501894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2471338310.

The product of its (nonzero) digits is 460800, while the sum is 46.

The spelling of 84025501894 in words is "eighty-four billion, twenty-five million, five hundred one thousand, eight hundred ninety-four".