78880376 has 16 divisors (see below), whose sum is σ = 148654440. Its totient is φ = 39239200.

The previous prime is 78880367. The next prime is 78880393. The reversal of 78880376 is 67308887.

It is a super-2 number, since 2×78880376² = 12444227435802752, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 78880376.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23450 + ... + 26601.

Almost surely, 2^78880376 is an apocalyptic number.

It is an amenable number.

78880376 is a deficient number, since it is larger than the sum of its proper divisors (69774064).

78880376 is a wasteful number, since it uses less digits than its factorization.

78880376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50254 (or 50250 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 47.

The square root of 78880376 is about 8881.4624921800. The cubic root of 78880376 is about 428.8673562927.

The spelling of 78880376 in words is "seventy-eight million, eight hundred eighty thousand, three hundred seventy-six".