5978157 has 4 divisors (see below), whose sum is σ = 7970880. Its totient is φ = 3985436.

The previous prime is 5978153. The next prime is 5978171. The reversal of 5978157 is 7518795.

5978157 is digitally balanced in base 4, 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 5978157 - 2² = 5978153 is a prime.

It is a super-2 number, since 2×5978157² = 71476722233298, which contains 22 as substring.

It is a D-number.

5978157 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5978153) 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, 996357 + ... + 996362.

It is an arithmetic number, because the mean of its divisors is an integer number (1992720).

Almost surely, 2^5978157 is an apocalyptic number.

It is an amenable number.

5978157 is a deficient number, since it is larger than the sum of its proper divisors (1992723).

5978157 is a wasteful number, since it uses less digits than its factorization.

5978157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1992722.

The product of its digits is 88200, while the sum is 42.

The square root of 5978157 is about 2445.0269937160. The cubic root of 5978157 is about 181.4912835708.

The spelling of 5978157 in words is "five million, nine hundred seventy-eight thousand, one hundred fifty-seven".