78379151829 has 16 divisors (see below), whose sum is σ = 115707624960. Its totient is φ = 46793522160.

The previous prime is 78379151819. The next prime is 78379151833. The reversal of 78379151829 is 92815197387.

It is not a de Polignac number, because 78379151829 - 2¹² = 78379147733 is a prime.

It is a super-2 number, since 2×78379151829² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78379151819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17722609 + ... + 17727030.

It is an arithmetic number, because the mean of its divisors is an integer number (7231726560).

Almost surely, 2^78379151829 is an apocalyptic number.

It is an amenable number.

78379151829 is a deficient number, since it is larger than the sum of its proper divisors (37328473131).

78379151829 is a wasteful number, since it uses less digits than its factorization.

78379151829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35449720.

The product of its digits is 7620480, while the sum is 60.

The spelling of 78379151829 in words is "seventy-eight billion, three hundred seventy-nine million, one hundred fifty-one thousand, eight hundred twenty-nine".