78300631 has 8 divisors (see below), whose sum is σ = 79301600. Its totient is φ = 77303808.

The previous prime is 78300619. The next prime is 78300647. The reversal of 78300631 is 13600387.

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

It is a cyclic number.

It is not a de Polignac number, because 78300631 - 2⁷ = 78300503 is a prime.

It is a super-2 number, since 2×78300631² = 12261977629996322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 78300631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78300601) 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, 55270 + ... + 56668.

It is an arithmetic number, because the mean of its divisors is an integer number (9912700).

Almost surely, 2^78300631 is an apocalyptic number.

78300631 is a deficient number, since it is larger than the sum of its proper divisors (1000969).

78300631 is a wasteful number, since it uses less digits than its factorization.

78300631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2073.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 78300631 is about 8848.7643770190. The cubic root of 78300631 is about 427.8140933519.

The spelling of 78300631 in words is "seventy-eight million, three hundred thousand, six hundred thirty-one".