3972177158 has 8 divisors (see below), whose sum is σ = 5964751920. Its totient is φ = 1983926520.

The previous prime is 3972177151. The next prime is 3972177161. The reversal of 3972177158 is 8517712793.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3972177151) 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, 1078733 + ... + 1082408.

It is an arithmetic number, because the mean of its divisors is an integer number (745593990).

Almost surely, 2^3972177158 is an apocalyptic number.

3972177158 is a deficient number, since it is larger than the sum of its proper divisors (1992574762).

3972177158 is a wasteful number, since it uses less digits than its factorization.

3972177158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2162062.

The product of its digits is 740880, while the sum is 50.

The square root of 3972177158 is about 63025.2104954835. The cubic root of 3972177158 is about 1583.7119846178.

The spelling of 3972177158 in words is "three billion, nine hundred seventy-two million, one hundred seventy-seven thousand, one hundred fifty-eight".