78408058 has 16 divisors (see below), whose sum is σ = 124742016. Its totient is φ = 36883440.

The previous prime is 78408037. The next prime is 78408061. The reversal of 78408058 is 85080487.

It is a super-3 number, since 3×78408058³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 78408058.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11166 + ... + 16777.

It is an arithmetic number, because the mean of its divisors is an integer number (7796376).

Almost surely, 2^78408058 is an apocalyptic number.

78408058 is a deficient number, since it is larger than the sum of its proper divisors (46333958).

78408058 is a wasteful number, since it uses less digits than its factorization.

78408058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28029.

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

The square root of 78408058 is about 8854.8324659476. The cubic root of 78408058 is about 428.0096549195.

The spelling of 78408058 in words is "seventy-eight million, four hundred eight thousand, fifty-eight".