4157786972 has 6 divisors (see below), whose sum is σ = 7276127208. Its totient is φ = 2078893484.

The previous prime is 4157786911. The next prime is 4157786993. The reversal of 4157786972 is 2796877514.

It is a super-3 number, since 3×4157786972³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 519723368 + ... + 519723375.

It is an arithmetic number, because the mean of its divisors is an integer number (1212687868).

Almost surely, 2^4157786972 is an apocalyptic number.

It is an amenable number.

4157786972 is a deficient number, since it is larger than the sum of its proper divisors (3118340236).

4157786972 is a wasteful number, since it uses less digits than its factorization.

4157786972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039446747 (or 1039446745 counting only the distinct ones).

The product of its digits is 5927040, while the sum is 56.

The square root of 4157786972 is about 64480.9039328699. The cubic root of 4157786972 is about 1608.0050612243.

The spelling of 4157786972 in words is "four billion, one hundred fifty-seven million, seven hundred eighty-six thousand, nine hundred seventy-two".