78500495 has 32 divisors (see below), whose sum is σ = 106375680. Its totient is φ = 55313280.

The previous prime is 78500491. The next prime is 78500507. The reversal of 78500495 is 59400587.

It is not a de Polignac number, because 78500495 - 2² = 78500491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78500491) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80360 + ... + 81330.

It is an arithmetic number, because the mean of its divisors is an integer number (3324240).

Almost surely, 2^78500495 is an apocalyptic number.

78500495 is a deficient number, since it is larger than the sum of its proper divisors (27875185).

78500495 is a wasteful number, since it uses less digits than its factorization.

78500495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055.

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 78500495 is about 8860.0505077567. The cubic root of 78500495 is about 428.1777855600.

The spelling of 78500495 in words is "seventy-eight million, five hundred thousand, four hundred ninety-five".