78354108 has 48 divisors (see below), whose sum is σ = 232162560. Its totient is φ = 22386672.

The previous prime is 78354097. The next prime is 78354137. The reversal of 78354108 is 80145387.

It is a super-2 number, since 2×78354108² = 12278732480951328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51066 + ... + 52577.

It is an arithmetic number, because the mean of its divisors is an integer number (4836720).

Almost surely, 2^78354108 is an apocalyptic number.

It is an amenable number.

78354108 is an abundant number, since it is smaller than the sum of its proper divisors (153808452).

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

78354108 is a wasteful number, since it uses less digits than its factorization.

78354108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103663 (or 103655 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 78354108 is about 8851.7855825816. The cubic root of 78354108 is about 427.9114659511.

The spelling of 78354108 in words is "seventy-eight million, three hundred fifty-four thousand, one hundred eight".