78071084 has 24 divisors (see below), whose sum is σ = 168153888. Its totient is φ = 30885120.

The previous prime is 78071069. The next prime is 78071087. The reversal of 78071084 is 48017087.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (78071087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106877 + ... + 107604.

It is an arithmetic number, because the mean of its divisors is an integer number (7006412).

Almost surely, 2^78071084 is an apocalyptic number.

It is an amenable number.

78071084 is an abundant number, since it is smaller than the sum of its proper divisors (90082804).

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

78071084 is a wasteful number, since it uses less digits than its factorization.

78071084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214505 (or 214503 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 35.

The square root of 78071084 is about 8835.7842889016. The cubic root of 78071084 is about 427.3956226372.

The spelling of 78071084 in words is "seventy-eight million, seventy-one thousand, eighty-four".