78378362 has 8 divisors (see below), whose sum is σ = 118346592. Its totient is φ = 38929500.

The previous prime is 78378353. The next prime is 78378397. The reversal of 78378362 is 26387387.

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

It is a super-2 number, since 2×78378362² = 12286335259606088, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129464 + ... + 130067.

It is an arithmetic number, because the mean of its divisors is an integer number (14793324).

Almost surely, 2^78378362 is an apocalyptic number.

78378362 is a deficient number, since it is larger than the sum of its proper divisors (39968230).

78378362 is a wasteful number, since it uses less digits than its factorization.

78378362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259684.

The product of its digits is 338688, while the sum is 44.

The square root of 78378362 is about 8853.1554826514. The cubic root of 78378362 is about 427.9556137917.

The spelling of 78378362 in words is "seventy-eight million, three hundred seventy-eight thousand, three hundred sixty-two".