78971084 has 12 divisors (see below), whose sum is σ = 141570408. Its totient is φ = 38522400.

The previous prime is 78971063. The next prime is 78971107. The reversal of 78971084 is 48017987.

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, 240602 + ... + 240929.

It is an arithmetic number, because the mean of its divisors is an integer number (11797534).

Almost surely, 2^78971084 is an apocalyptic number.

It is an amenable number.

78971084 is a deficient number, since it is larger than the sum of its proper divisors (62599324).

78971084 is a wasteful number, since it uses less digits than its factorization.

78971084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481576 (or 481574 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 44.

The square root of 78971084 is about 8886.5676163522. The cubic root of 78971084 is about 429.0316844398.

The spelling of 78971084 in words is "seventy-eight million, nine hundred seventy-one thousand, eighty-four".