77047482 has 16 divisors (see below), whose sum is σ = 154336032. Its totient is φ = 25642320.

The previous prime is 77047469. The next prime is 77047499. The reversal of 77047482 is 28474077.

It is a self number, because there is not a number n which added to its sum of digits gives 77047482.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5748 + ... + 13679.

It is an arithmetic number, because the mean of its divisors is an integer number (9646002).

Almost surely, 2^77047482 is an apocalyptic number.

77047482 is an abundant number, since it is smaller than the sum of its proper divisors (77288550).

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

77047482 is a wasteful number, since it uses less digits than its factorization.

77047482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20093.

The product of its (nonzero) digits is 87808, while the sum is 39.

The square root of 77047482 is about 8777.6695084743. The cubic root of 77047482 is about 425.5195160161.

The spelling of 77047482 in words is "seventy-seven million, forty-seven thousand, four hundred eighty-two".