7837545157 has 16 divisors (see below), whose sum is σ = 8530986240. Its totient is φ = 7157160000.

The previous prime is 7837545143. The next prime is 7837545161. The reversal of 7837545157 is 7515457387.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7837545157 is a prime.

It is a super-2 number, since 2×7837545157² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7837545187) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3085594 + ... + 3088132.

It is an arithmetic number, because the mean of its divisors is an integer number (533186640).

Almost surely, 2^7837545157 is an apocalyptic number.

It is an amenable number.

7837545157 is a deficient number, since it is larger than the sum of its proper divisors (693441083).

7837545157 is a wasteful number, since it uses less digits than its factorization.

7837545157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5004.

The product of its digits is 4116000, while the sum is 52.

The square root of 7837545157 is about 88529.9110865926. The cubic root of 7837545157 is about 1986.3694109771.

The spelling of 7837545157 in words is "seven billion, eight hundred thirty-seven million, five hundred forty-five thousand, one hundred fifty-seven".