78094516 has 6 divisors (see below), whose sum is σ = 136665410. Its totient is φ = 39047256.

The previous prime is 78094507. The next prime is 78094517. The reversal of 78094516 is 61549087.

It can be written as a sum of positive squares in only one way, i.e., 71571600 + 6522916 = 8460^2 + 2554^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78094517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9761811 + ... + 9761818.

Almost surely, 2^78094516 is an apocalyptic number.

It is an amenable number.

78094516 is a deficient number, since it is larger than the sum of its proper divisors (58570894).

78094516 is a wasteful number, since it uses less digits than its factorization.

78094516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19523633 (or 19523631 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 78094516 is about 8837.1101611330. The cubic root of 78094516 is about 427.4383774018.

The spelling of 78094516 in words is "seventy-eight million, ninety-four thousand, five hundred sixteen".