49078279 has 4 divisors (see below), whose sum is σ = 49098784. Its totient is φ = 49057776.

The previous prime is 49078247. The next prime is 49078307. The reversal of 49078279 is 97287094.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97287094 = 2 ⋅48643547.

It is a cyclic number.

It is not a de Polignac number, because 49078279 - 2⁵ = 49078247 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 (49078229) 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, 6102 + ... + 11635.

It is an arithmetic number, because the mean of its divisors is an integer number (12274696).

Almost surely, 2^49078279 is an apocalyptic number.

49078279 is a deficient number, since it is larger than the sum of its proper divisors (20505).

49078279 is a wasteful number, since it uses less digits than its factorization.

49078279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20504.

The product of its (nonzero) digits is 254016, while the sum is 46.

The square root of 49078279 is about 7005.5891258337. The cubic root of 49078279 is about 366.1253290915.

The spelling of 49078279 in words is "forty-nine million, seventy-eight thousand, two hundred seventy-nine".