78127488 has 48 divisors (see below), whose sum is σ = 224823300. Its totient is φ = 26042112.

The previous prime is 78127453. The next prime is 78127499. The reversal of 78127488 is 88472187.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×78127488² = 12207808762380288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32758 + ... + 35061.

Almost surely, 2^78127488 is an apocalyptic number.

It is an amenable number.

78127488 is an abundant number, since it is smaller than the sum of its proper divisors (146695812).

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

78127488 is a wasteful number, since it uses less digits than its factorization.

78127488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67839 (or 67824 counting only the distinct ones).

The product of its digits is 200704, while the sum is 45.

The square root of 78127488 is about 8838.9755062451. The cubic root of 78127488 is about 427.4985246692.

The spelling of 78127488 in words is "seventy-eight million, one hundred twenty-seven thousand, four hundred eighty-eight".