78412088 has 32 divisors (see below), whose sum is σ = 155298000. Its totient is φ = 37116576.

The previous prime is 78412067. The next prime is 78412099. The reversal of 78412088 is 88021487.

It is a happy number.

It is a super-2 number, since 2×78412088² = 12296911089039488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54158 + ... + 55586.

Almost surely, 2^78412088 is an apocalyptic number.

It is an amenable number.

78412088 is a deficient number, since it is larger than the sum of its proper divisors (76885912).

78412088 is a wasteful number, since it uses less digits than its factorization.

78412088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1492 (or 1450 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 38.

The square root of 78412088 is about 8855.0600223827. The cubic root of 78412088 is about 428.0169877090.

The spelling of 78412088 in words is "seventy-eight million, four hundred twelve thousand, eighty-eight".