78167332 has 12 divisors (see below), whose sum is σ = 136862320. Its totient is φ = 39063816.

The previous prime is 78167329. The next prime is 78167333. The reversal of 78167332 is 23376187.

It is a super-2 number, since 2×78167332² = 12220263583996448, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 78167291 and 78167300.

It is not an unprimeable number, because it can be changed into a prime (78167333) 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, 7219 + ... + 14437.

Almost surely, 2^78167332 is an apocalyptic number.

78167332 is the 7219-th pentagonal number.

It is an amenable number.

78167332 is a deficient number, since it is larger than the sum of its proper divisors (58694988).

78167332 is a wasteful number, since it uses less digits than its factorization.

78167332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9930 (or 9928 counting only the distinct ones).

The product of its digits is 42336, while the sum is 37.

The square root of 78167332 is about 8841.2291000743. The cubic root of 78167332 is about 427.5711852094.

The spelling of 78167332 in words is "seventy-eight million, one hundred sixty-seven thousand, three hundred thirty-two".