2378258557 has 4 divisors (see below), whose sum is σ = 2503430080. Its totient is φ = 2253087036.

The previous prime is 2378258551. The next prime is 2378258621. The reversal of 2378258557 is 7558528732.

2378258557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2378258557 - 2³ = 2378258549 is a prime.

It is a super-2 number, since 2×2378258557² = 11312227527887444498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2378258551) 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, 62585733 + ... + 62585770.

It is an arithmetic number, because the mean of its divisors is an integer number (625857520).

Almost surely, 2^2378258557 is an apocalyptic number.

It is an amenable number.

2378258557 is a deficient number, since it is larger than the sum of its proper divisors (125171523).

2378258557 is a wasteful number, since it uses less digits than its factorization.

2378258557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125171522.

The product of its digits is 4704000, while the sum is 52.

The square root of 2378258557 is about 48767.3923539080. The cubic root of 2378258557 is about 1334.8107306945.

The spelling of 2378258557 in words is "two billion, three hundred seventy-eight million, two hundred fifty-eight thousand, five hundred fifty-seven".