78625084 has 6 divisors (see below), whose sum is σ = 137593904. Its totient is φ = 39312540.

The previous prime is 78625081. The next prime is 78625087. The reversal of 78625084 is 48052687.

It is an interprime number because it is at equal distance from previous prime (78625081) and next prime (78625087).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78625081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9828132 + ... + 9828139.

Almost surely, 2^78625084 is an apocalyptic number.

It is an amenable number.

78625084 is a deficient number, since it is larger than the sum of its proper divisors (58968820).

78625084 is a wasteful number, since it uses less digits than its factorization.

78625084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19656275 (or 19656273 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 78625084 is about 8867.0786621074. The cubic root of 78625084 is about 428.4041877199.

The spelling of 78625084 in words is "seventy-eight million, six hundred twenty-five thousand, eighty-four".