78276982 has 8 divisors (see below), whose sum is σ = 134189136. Its totient is φ = 33547272.

The previous prime is 78276931. The next prime is 78276983. The reversal of 78276982 is 28967287.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×78276982² = 12254571822056648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78276983) 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, 2795593 + ... + 2795620.

It is an arithmetic number, because the mean of its divisors is an integer number (16773642).

Almost surely, 2^78276982 is an apocalyptic number.

78276982 is a deficient number, since it is larger than the sum of its proper divisors (55912154).

78276982 is a wasteful number, since it uses less digits than its factorization.

78276982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5591222.

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

The square root of 78276982 is about 8847.4279878392. The cubic root of 78276982 is about 427.7710183724.

The spelling of 78276982 in words is "seventy-eight million, two hundred seventy-six thousand, nine hundred eighty-two".