78141486 has 32 divisors (see below), whose sum is σ = 171188640. Its totient is φ = 23668736.

The previous prime is 78141467. The next prime is 78141493. The reversal of 78141486 is 68414187.

It is a super-2 number, since 2×78141486² = 12212183668576392, 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 (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10251 + ... + 16166.

It is an arithmetic number, because the mean of its divisors is an integer number (5349645).

Almost surely, 2^78141486 is an apocalyptic number.

78141486 is an abundant number, since it is smaller than the sum of its proper divisors (93047154).

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

78141486 is a wasteful number, since it uses less digits than its factorization.

78141486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26468.

The product of its digits is 43008, while the sum is 39.

The square root of 78141486 is about 8839.7673046297. The cubic root of 78141486 is about 427.5240545953.

The spelling of 78141486 in words is "seventy-eight million, one hundred forty-one thousand, four hundred eighty-six".