78887334 has 32 divisors (see below), whose sum is σ = 160110720. Its totient is φ = 25909632.

The previous prime is 78887317. The next prime is 78887339. The reversal of 78887334 is 43378887.

It is a super-2 number, since 2×78887334² = 12446422931255112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78887339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207957 + ... + 208335.

It is an arithmetic number, because the mean of its divisors is an integer number (5003460).

Almost surely, 2^78887334 is an apocalyptic number.

78887334 is an abundant number, since it is smaller than the sum of its proper divisors (81223386).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78887334 is a wasteful number, since it uses less digits than its factorization.

78887334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804.

The product of its digits is 903168, while the sum is 48.

The square root of 78887334 is about 8881.8541983079. The cubic root of 78887334 is about 428.8799659830.

The spelling of 78887334 in words is "seventy-eight million, eight hundred eighty-seven thousand, three hundred thirty-four".