78201795 has 24 divisors (see below), whose sum is σ = 145552464. Its totient is φ = 35749056.

The previous prime is 78201793. The next prime is 78201833. The reversal of 78201795 is 59710287.

It is not a de Polignac number, because 78201795 - 2¹ = 78201793 is a prime.

It is a super-2 number, since 2×78201795² = 12231041482444050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78201791) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52464 + ... + 53933.

It is an arithmetic number, because the mean of its divisors is an integer number (6064686).

Almost surely, 2^78201795 is an apocalyptic number.

78201795 is a deficient number, since it is larger than the sum of its proper divisors (67350669).

78201795 is a wasteful number, since it uses less digits than its factorization.

78201795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106419 (or 106412 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 39.

The square root of 78201795 is about 8843.1778790206. The cubic root of 78201795 is about 427.6340129081.

The spelling of 78201795 in words is "seventy-eight million, two hundred one thousand, seven hundred ninety-five".