3866426157 has 32 divisors (see below), whose sum is σ = 5768663040. Its totient is φ = 2283120000.

The previous prime is 3866426143. The next prime is 3866426159. The reversal of 3866426157 is 7516246683.

It is not a de Polignac number, because 3866426157 - 2²⁶ = 3799317293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3866426159) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1420644 + ... + 1423362.

It is an arithmetic number, because the mean of its divisors is an integer number (180270720).

Almost surely, 2^3866426157 is an apocalyptic number.

It is an amenable number.

3866426157 is a deficient number, since it is larger than the sum of its proper divisors (1902236883).

3866426157 is a wasteful number, since it uses less digits than its factorization.

3866426157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3825.

The product of its digits is 1451520, while the sum is 48.

The square root of 3866426157 is about 62180.5930898058. The cubic root of 3866426157 is about 1569.5310318509.

The spelling of 3866426157 in words is "three billion, eight hundred sixty-six million, four hundred twenty-six thousand, one hundred fifty-seven".