84625478 has 8 divisors (see below), whose sum is σ = 145072272. Its totient is φ = 36268056.

The previous prime is 84625477. The next prime is 84625481. The reversal of 84625478 is 87452648.

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

It is a super-2 number, since 2×84625478² = 14322943053456968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84625477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3022325 + ... + 3022352.

It is an arithmetic number, because the mean of its divisors is an integer number (18134034).

Almost surely, 2^84625478 is an apocalyptic number.

84625478 is a deficient number, since it is larger than the sum of its proper divisors (60446794).

84625478 is a wasteful number, since it uses less digits than its factorization.

84625478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6044686.

The product of its digits is 430080, while the sum is 44.

The square root of 84625478 is about 9199.2107270135. The cubic root of 84625478 is about 439.0362480296.

The spelling of 84625478 in words is "eighty-four million, six hundred twenty-five thousand, four hundred seventy-eight".