78892063 has 4 divisors (see below), whose sum is σ = 79629480. Its totient is φ = 78154648.

The previous prime is 78892043. The next prime is 78892067. The reversal of 78892063 is 36029887.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36029887 = 223 ⋅161569.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78892063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78892067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368548 + ... + 368761.

It is an arithmetic number, because the mean of its divisors is an integer number (19907370).

Almost surely, 2^78892063 is an apocalyptic number.

78892063 is a deficient number, since it is larger than the sum of its proper divisors (737417).

78892063 is a wasteful number, since it uses less digits than its factorization.

78892063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737416.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 78892063 is about 8882.1204112532. The cubic root of 78892063 is about 428.8885357272. Note that the first 3 decimals are identical.

The spelling of 78892063 in words is "seventy-eight million, eight hundred ninety-two thousand, sixty-three".