2478801157 has 8 divisors (see below), whose sum is σ = 2835698432. Its totient is φ = 2122599600.

The previous prime is 2478801139. The next prime is 2478801163. The reversal of 2478801157 is 7511088742.

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

It is a cyclic number.

It is not a de Polignac number, because 2478801157 - 2⁷ = 2478801029 is a prime.

It is a super-2 number, since 2×2478801157² = 12288910351889077298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2478807157) 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, 166269 + ... + 180562.

It is an arithmetic number, because the mean of its divisors is an integer number (354462304).

Almost surely, 2^2478801157 is an apocalyptic number.

It is an amenable number.

2478801157 is a deficient number, since it is larger than the sum of its proper divisors (356897275).

2478801157 is a wasteful number, since it uses less digits than its factorization.

2478801157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347859.

The product of its (nonzero) digits is 125440, while the sum is 43.

The square root of 2478801157 is about 49787.5602635839. The cubic root of 2478801157 is about 1353.3617464261.

Adding to 2478801157 its reverse (7511088742), we get a palindrome (9989889899).

The spelling of 2478801157 in words is "two billion, four hundred seventy-eight million, eight hundred one thousand, one hundred fifty-seven".