77936148 has 24 divisors (see below), whose sum is σ = 202056960. Its totient is φ = 25978680.

The previous prime is 77936147. The next prime is 77936153. The reversal of 77936148 is 84163977.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77936141) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 360708 + ... + 360923.

It is an arithmetic number, because the mean of its divisors is an integer number (8419040).

Almost surely, 2^77936148 is an apocalyptic number.

It is an amenable number.

77936148 is an abundant number, since it is smaller than the sum of its proper divisors (124120812).

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

77936148 is a wasteful number, since it uses less digits than its factorization.

77936148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721644 (or 721636 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 77936148 is about 8828.1452185609. The cubic root of 77936148 is about 427.1492475372.

The spelling of 77936148 in words is "seventy-seven million, nine hundred thirty-six thousand, one hundred forty-eight".