78295938 has 16 divisors (see below), whose sum is σ = 178962240. Its totient is φ = 22370256.

The previous prime is 78295927. The next prime is 78295957. The reversal of 78295938 is 83959287.

It is a super-2 number, since 2×78295938² = 12260507814599688, which contains 22 as substring.

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, 932053 + ... + 932136.

It is an arithmetic number, because the mean of its divisors is an integer number (11185140).

Almost surely, 2^78295938 is an apocalyptic number.

78295938 is an abundant number, since it is smaller than the sum of its proper divisors (100666302).

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

78295938 is a wasteful number, since it uses less digits than its factorization.

78295938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1864201.

The product of its digits is 1088640, while the sum is 51.

The square root of 78295938 is about 8848.4991947787. The cubic root of 78295938 is about 427.8055460745.

The spelling of 78295938 in words is "seventy-eight million, two hundred ninety-five thousand, nine hundred thirty-eight".