78962782 has 4 divisors (see below), whose sum is σ = 118444176. Its totient is φ = 39481390.

The previous prime is 78962771. The next prime is 78962831. The reversal of 78962782 is 28726987.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19740694 + ... + 19740697.

It is an arithmetic number, because the mean of its divisors is an integer number (29611044).

Almost surely, 2^78962782 is an apocalyptic number.

78962782 is a deficient number, since it is larger than the sum of its proper divisors (39481394).

78962782 is a wasteful number, since it uses less digits than its factorization.

78962782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39481393.

The product of its digits is 677376, while the sum is 49.

The square root of 78962782 is about 8886.1004945927. The cubic root of 78962782 is about 429.0166496292.

The spelling of 78962782 in words is "seventy-eight million, nine hundred sixty-two thousand, seven hundred eighty-two".