78208376 has 16 divisors (see below), whose sum is σ = 149761440. Its totient is φ = 38272000.

The previous prime is 78208373. The next prime is 78208391. The reversal of 78208376 is 67380287.

It is a super-2 number, since 2×78208376² = 12233100153114752, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78208373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103625 + ... + 104376.

It is an arithmetic number, because the mean of its divisors is an integer number (9360090).

Almost surely, 2^78208376 is an apocalyptic number.

It is an amenable number.

78208376 is a deficient number, since it is larger than the sum of its proper divisors (71553064).

78208376 is a wasteful number, since it uses less digits than its factorization.

78208376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208054 (or 208050 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 78208376 is about 8843.5499659356. The cubic root of 78208376 is about 427.6460082870.

The spelling of 78208376 in words is "seventy-eight million, two hundred eight thousand, three hundred seventy-six".