78130351 has 8 divisors (see below), whose sum is σ = 89090064. Its totient is φ = 67877760.

The previous prime is 78130331. The next prime is 78130361. The reversal of 78130351 is 15303187.

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 78130351 - 2⁵ = 78130319 is a prime.

It is a super-2 number, since 2×78130351² = 12208703494766402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78130331) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 176545 + ... + 176986.

It is an arithmetic number, because the mean of its divisors is an integer number (11136258).

Almost surely, 2^78130351 is an apocalyptic number.

78130351 is a deficient number, since it is larger than the sum of its proper divisors (10959713).

78130351 is a wasteful number, since it uses less digits than its factorization.

78130351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353561.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 78130351 is about 8839.1374579197. The cubic root of 78130351 is about 427.5037465331.

The spelling of 78130351 in words is "seventy-eight million, one hundred thirty thousand, three hundred fifty-one".