78275038 has 16 divisors (see below), whose sum is σ = 124590960. Its totient is φ = 36754816.

The previous prime is 78275033. The next prime is 78275039. The reversal of 78275038 is 83057287.

It is a super-2 number, since 2×78275038² = 12253963147802888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78275033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15045 + ... + 19567.

It is an arithmetic number, because the mean of its divisors is an integer number (7786935).

Almost surely, 2^78275038 is an apocalyptic number.

78275038 is a deficient number, since it is larger than the sum of its proper divisors (46315922).

78275038 is a wasteful number, since it uses less digits than its factorization.

78275038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5051.

The product of its (nonzero) digits is 94080, while the sum is 40.

The square root of 78275038 is about 8847.3181247201. The cubic root of 78275038 is about 427.7674771281.

The spelling of 78275038 in words is "seventy-eight million, two hundred seventy-five thousand, thirty-eight".