84499025378 has 8 divisors (see below), whose sum is σ = 128533728960. Its totient is φ = 41654449060.

The previous prime is 84499025363. The next prime is 84499025393. The reversal of 84499025378 is 87352099448.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (84499025363) and next prime (84499025393).

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297531638 + ... + 297531921.

It is an arithmetic number, because the mean of its divisors is an integer number (16066716120).

Almost surely, 2^84499025378 is an apocalyptic number.

84499025378 is a deficient number, since it is larger than the sum of its proper divisors (44034703582).

84499025378 is a wasteful number, since it uses less digits than its factorization.

84499025378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595063632.

The product of its (nonzero) digits is 17418240, while the sum is 59.

The spelling of 84499025378 in words is "eighty-four billion, four hundred ninety-nine million, twenty-five thousand, three hundred seventy-eight".