3157977 has 8 divisors (see below), whose sum is σ = 4300416. Its totient is φ = 2060432.

The previous prime is 3157961. The next prime is 3157981. The reversal of 3157977 is 7797513.

It is a happy number.

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 3157977 - 2⁴ = 3157961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3157927) 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, 11058 + ... + 11339.

It is an arithmetic number, because the mean of its divisors is an integer number (537552).

Almost surely, 2^3157977 is an apocalyptic number.

It is an amenable number.

3157977 is a deficient number, since it is larger than the sum of its proper divisors (1142439).

3157977 is a wasteful number, since it uses less digits than its factorization.

3157977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22447.

The product of its digits is 46305, while the sum is 39.

The square root of 3157977 is about 1777.0697791589. The cubic root of 3157977 is about 146.7133569210.

The spelling of 3157977 in words is "three million, one hundred fifty-seven thousand, nine hundred seventy-seven".