78379302 has 8 divisors (see below), whose sum is σ = 156758616. Its totient is φ = 26126432.

The previous prime is 78379291. The next prime is 78379309. The reversal of 78379302 is 20397387.

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

78379302 is an admirable number.

It is a super-2 number, since 2×78379302² = 12286629964014408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78379309) 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, 6531603 + ... + 6531614.

It is an arithmetic number, because the mean of its divisors is an integer number (19594827).

Almost surely, 2^78379302 is an apocalyptic number.

78379302 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78379302 is a wasteful number, since it uses less digits than its factorization.

78379302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13063222.

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 78379302 is about 8853.2085709081. The cubic root of 78379302 is about 427.9573246238.

The spelling of 78379302 in words is "seventy-eight million, three hundred seventy-nine thousand, three hundred two".