78852975 has 12 divisors (see below), whose sum is σ = 130370376. Its totient is φ = 42054880.

The previous prime is 78852971. The next prime is 78852979. The reversal of 78852975 is 57925887.

It is an interprime number because it is at equal distance from previous prime (78852971) and next prime (78852979).

It is not a de Polignac number, because 78852975 - 2² = 78852971 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78852971) 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, 525612 + ... + 525761.

It is an arithmetic number, because the mean of its divisors is an integer number (10864198).

Almost surely, 2^78852975 is an apocalyptic number.

78852975 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

78852975 is a deficient number, since it is larger than the sum of its proper divisors (51517401).

78852975 is a wasteful number, since it uses less digits than its factorization.

78852975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051386 (or 1051381 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 51.

The square root of 78852975 is about 8879.9197631510. The cubic root of 78852975 is about 428.8176914035.

The spelling of 78852975 in words is "seventy-eight million, eight hundred fifty-two thousand, nine hundred seventy-five".