78822058 has 48 divisors (see below), whose sum is σ = 146522880. Its totient is φ = 31112928.

The previous prime is 78822041. The next prime is 78822143. The reversal of 78822058 is 85022887.

It is a self number, because there is not a number n which added to its sum of digits gives 78822058.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 214591 + ... + 214957.

It is an arithmetic number, because the mean of its divisors is an integer number (3052560).

Almost surely, 2^78822058 is an apocalyptic number.

78822058 is a deficient number, since it is larger than the sum of its proper divisors (67700822).

78822058 is a wasteful number, since it uses less digits than its factorization.

78822058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451 (or 428 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 40.

The square root of 78822058 is about 8878.1787546771. The cubic root of 78822058 is about 428.7616398736.

The spelling of 78822058 in words is "seventy-eight million, eight hundred twenty-two thousand, fifty-eight".