92278013 has 4 divisors (see below), whose sum is σ = 92392608. Its totient is φ = 92163420.

The previous prime is 92278007. The next prime is 92278051. The reversal of 92278013 is 31087229.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 92278013 - 2⁶ = 92277949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (92278513) 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, 56081 + ... + 57702.

It is an arithmetic number, because the mean of its divisors is an integer number (23098152).

Almost surely, 2^92278013 is an apocalyptic number.

It is an amenable number.

92278013 is a deficient number, since it is larger than the sum of its proper divisors (114595).

92278013 is a wasteful number, since it uses less digits than its factorization.

92278013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114594.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 92278013 is about 9606.1445439885. The cubic root of 92278013 is about 451.8900145503.

The spelling of 92278013 in words is "ninety-two million, two hundred seventy-eight thousand, thirteen".