77482479 has 8 divisors (see below), whose sum is σ = 103994752. Its totient is φ = 51312600.

The previous prime is 77482463. The next prime is 77482507. The reversal of 77482479 is 97428477.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 77482479 - 2⁴ = 77482463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77482429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85069 + ... + 85974.

It is an arithmetic number, because the mean of its divisors is an integer number (12999344).

Almost surely, 2^77482479 is an apocalyptic number.

77482479 is a deficient number, since it is larger than the sum of its proper divisors (26512273).

77482479 is a wasteful number, since it uses less digits than its factorization.

77482479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171197.

The product of its digits is 790272, while the sum is 48.

The square root of 77482479 is about 8802.4132486495. The cubic root of 77482479 is about 426.3188173018.

The spelling of 77482479 in words is "seventy-seven million, four hundred eighty-two thousand, four hundred seventy-nine".