78282801 has 8 divisors (see below), whose sum is σ = 115974560. Its totient is φ = 52188516.

The previous prime is 78282797. The next prime is 78282821. The reversal of 78282801 is 10828287.

It is not a de Polignac number, because 78282801 - 2² = 78282797 is a prime.

It is a super-2 number, since 2×78282801² = 12256393864811202, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (78282821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1449655 + ... + 1449708.

It is an arithmetic number, because the mean of its divisors is an integer number (14496820).

Almost surely, 2^78282801 is an apocalyptic number.

It is an amenable number.

78282801 is a deficient number, since it is larger than the sum of its proper divisors (37691759).

78282801 is a wasteful number, since it uses less digits than its factorization.

78282801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2899372 (or 2899366 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 36.

The square root of 78282801 is about 8847.7568343620. The cubic root of 78282801 is about 427.7816180736.

The spelling of 78282801 in words is "seventy-eight million, two hundred eighty-two thousand, eight hundred one".