78266332 has 24 divisors (see below), whose sum is σ = 145353600. Its totient is φ = 36794736.

The previous prime is 78266329. The next prime is 78266341. The reversal of 78266332 is 23366287.

It is a super-2 number, since 2×78266332² = 12251237449468448, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78266291 and 78266300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1782 + ... + 12637.

It is an arithmetic number, because the mean of its divisors is an integer number (6056400).

Almost surely, 2^78266332 is an apocalyptic number.

It is an amenable number.

78266332 is a deficient number, since it is larger than the sum of its proper divisors (67087268).

78266332 is a wasteful number, since it uses less digits than its factorization.

78266332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14505 (or 14503 counting only the distinct ones).

The product of its digits is 72576, while the sum is 37.

The square root of 78266332 is about 8846.8260975335. The cubic root of 78266332 is about 427.7516173179.

The spelling of 78266332 in words is "seventy-eight million, two hundred sixty-six thousand, three hundred thirty-two".