78077463 has 16 divisors (see below), whose sum is σ = 106038240. Its totient is φ = 51093504.

The previous prime is 78077459. The next prime is 78077477. The reversal of 78077463 is 36477087.

It is not a de Polignac number, because 78077463 - 2² = 78077459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78077443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35895 + ... + 38007.

It is an arithmetic number, because the mean of its divisors is an integer number (6627390).

Almost surely, 2^78077463 is an apocalyptic number.

78077463 is a deficient number, since it is larger than the sum of its proper divisors (27960777).

78077463 is a wasteful number, since it uses less digits than its factorization.

78077463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2338.

The product of its (nonzero) digits is 197568, while the sum is 42.

The square root of 78077463 is about 8836.1452568414. The cubic root of 78077463 is about 427.4072628087.

The spelling of 78077463 in words is "seventy-eight million, seventy-seven thousand, four hundred sixty-three".