78086496 has 24 divisors (see below), whose sum is σ = 204977304. Its totient is φ = 26028800.

The previous prime is 78086471. The next prime is 78086497. The reversal of 78086496 is 69468087.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78086497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406605 + ... + 406796.

It is an arithmetic number, because the mean of its divisors is an integer number (8540721).

Almost surely, 2^78086496 is an apocalyptic number.

It is an amenable number.

78086496 is an abundant number, since it is smaller than the sum of its proper divisors (126890808).

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

78086496 is a wasteful number, since it uses less digits than its factorization.

78086496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813414 (or 813406 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 48.

The square root of 78086496 is about 8836.6563812338. The cubic root of 78086496 is about 427.4237448202.

The spelling of 78086496 in words is "seventy-eight million, eighty-six thousand, four hundred ninety-six".