78201084 has 48 divisors (see below), whose sum is σ = 197074080. Its totient is φ = 23992320.

The previous prime is 78201077. The next prime is 78201113. The reversal of 78201084 is 48010287.

It is a super-2 number, since 2×78201084² = 12230819077550112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88324 + ... + 89204.

It is an arithmetic number, because the mean of its divisors is an integer number (4105710).

Almost surely, 2^78201084 is an apocalyptic number.

It is an amenable number.

78201084 is an abundant number, since it is smaller than the sum of its proper divisors (118872996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78201084 is a wasteful number, since it uses less digits than its factorization.

78201084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470 (or 1468 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 78201084 is about 8843.1376784488. The cubic root of 78201084 is about 427.6327169075.

The spelling of 78201084 in words is "seventy-eight million, two hundred one thousand, eighty-four".