78369922 has 32 divisors (see below), whose sum is σ = 126074880. Its totient is φ = 36469440.

The previous prime is 78369913. The next prime is 78369931. The reversal of 78369922 is 22996387.

It is an interprime number because it is at equal distance from previous prime (78369913) and next prime (78369931).

It is a super-2 number, since 2×78369922² = 12283689348572168, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 291204 + ... + 291472.

It is an arithmetic number, because the mean of its divisors is an integer number (3939840).

Almost surely, 2^78369922 is an apocalyptic number.

78369922 is a deficient number, since it is larger than the sum of its proper divisors (47704958).

78369922 is a wasteful number, since it uses less digits than its factorization.

78369922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466.

The product of its digits is 326592, while the sum is 46.

The square root of 78369922 is about 8852.6788036165. The cubic root of 78369922 is about 427.9402520900.

The spelling of 78369922 in words is "seventy-eight million, three hundred sixty-nine thousand, nine hundred twenty-two".