78871032 has 48 divisors (see below), whose sum is σ = 214077240. Its totient is φ = 26232768.

The previous prime is 78871031. The next prime is 78871057. The reversal of 78871032 is 23017887.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78871031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43243 + ... + 45029.

Almost surely, 2^78871032 is an apocalyptic number.

78871032 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

78871032 is an abundant number, since it is smaller than the sum of its proper divisors (135206208).

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

78871032 is a wasteful number, since it uses less digits than its factorization.

78871032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2412 (or 2405 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 78871032 is about 8880.9364371107. The cubic root of 78871032 is about 428.8504213886.

The spelling of 78871032 in words is "seventy-eight million, eight hundred seventy-one thousand, thirty-two".