78296975 has 6 divisors (see below), whose sum is σ = 97088280. Its totient is φ = 62637560.

The previous prime is 78296963. The next prime is 78296983. The reversal of 78296975 is 57969287.

It is not a de Polignac number, because 78296975 - 2⁸ = 78296719 is a prime.

It is a super-2 number, since 2×78296975² = 12260832588301250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1565915 + ... + 1565964.

It is an arithmetic number, because the mean of its divisors is an integer number (16181380).

Almost surely, 2^78296975 is an apocalyptic number.

78296975 is a deficient number, since it is larger than the sum of its proper divisors (18791305).

78296975 is a wasteful number, since it uses less digits than its factorization.

78296975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3131889 (or 3131884 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 53.

The square root of 78296975 is about 8848.5577920924. The cubic root of 78296975 is about 427.8074347735.

The spelling of 78296975 in words is "seventy-eight million, two hundred ninety-six thousand, nine hundred seventy-five".