3967000157 has 4 divisors (see below), whose sum is σ = 4094967936. Its totient is φ = 3839032380.

The previous prime is 3967000123. The next prime is 3967000171. The reversal of 3967000157 is 7510007693.

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 3967000157 - 2²⁰ = 3965951581 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3967000157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3967000357) 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, 63983843 + ... + 63983904.

It is an arithmetic number, because the mean of its divisors is an integer number (1023741984).

Almost surely, 2^3967000157 is an apocalyptic number.

It is an amenable number.

3967000157 is a deficient number, since it is larger than the sum of its proper divisors (127967779).

3967000157 is a wasteful number, since it uses less digits than its factorization.

3967000157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127967778.

The product of its (nonzero) digits is 39690, while the sum is 38.

The square root of 3967000157 is about 62984.1262303447. The cubic root of 3967000157 is about 1583.0236599122.

The spelling of 3967000157 in words is "three billion, nine hundred sixty-seven million, one hundred fifty-seven", and thus it is an aban number.