78275023 has 8 divisors (see below), whose sum is σ = 79292192. Its totient is φ = 77262336.

The previous prime is 78274993. The next prime is 78275033. The reversal of 78275023 is 32057287.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78275023 is a prime.

It is a super-2 number, since 2×78275023² = 12253958451301058, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 78275023.

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, 46411 + ... + 48067.

It is an arithmetic number, because the mean of its divisors is an integer number (9911524).

Almost surely, 2^78275023 is an apocalyptic number.

78275023 is a deficient number, since it is larger than the sum of its proper divisors (1017169).

78275023 is a wasteful number, since it uses less digits than its factorization.

78275023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2241.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 78275023 is about 8847.3172770055. The cubic root of 78275023 is about 427.7674498034.

The spelling of 78275023 in words is "seventy-eight million, two hundred seventy-five thousand, twenty-three".