78369802 has 8 divisors (see below), whose sum is σ = 134348256. Its totient is φ = 33587052.

The previous prime is 78369793. The next prime is 78369853. The reversal of 78369802 is 20896387.

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

It is a super-2 number, since 2×78369802² = 12283651731038408, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2798908 + ... + 2798935.

It is an arithmetic number, because the mean of its divisors is an integer number (16793532).

Almost surely, 2^78369802 is an apocalyptic number.

78369802 is a deficient number, since it is larger than the sum of its proper divisors (55978454).

78369802 is a wasteful number, since it uses less digits than its factorization.

78369802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5597852.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 78369802 is about 8852.6720260044. The cubic root of 78369802 is about 427.9400336692.

The spelling of 78369802 in words is "seventy-eight million, three hundred sixty-nine thousand, eight hundred two".