78463077 has 32 divisors (see below), whose sum is σ = 134651904. Its totient is φ = 39441600.

The previous prime is 78463057. The next prime is 78463079. The reversal of 78463077 is 77036487.

It is not a de Polignac number, because 78463077 - 2¹¹ = 78461029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78463079) 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 31 ways as a sum of consecutive naturals, for example, 1683 + ... + 12639.

It is an arithmetic number, because the mean of its divisors is an integer number (4207872).

Almost surely, 2^78463077 is an apocalyptic number.

78463077 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

It is an amenable number.

78463077 is a deficient number, since it is larger than the sum of its proper divisors (56188827).

78463077 is a wasteful number, since it uses less digits than its factorization.

78463077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11009.

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

The square root of 78463077 is about 8857.9386428220. The cubic root of 78463077 is about 428.1097430903.

The spelling of 78463077 in words is "seventy-eight million, four hundred sixty-three thousand, seventy-seven".