48997078157 has 4 divisors (see below), whose sum is σ = 48999005760. Its totient is φ = 48995150556.

The previous prime is 48997078147. The next prime is 48997078159. The reversal of 48997078157 is 75187079984.

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 48997078157 - 2¹⁰ = 48997077133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 48997078093 and 48997078102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48997078159) 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, 925157 + ... + 976682.

It is an arithmetic number, because the mean of its divisors is an integer number (12249751440).

Almost surely, 2^48997078157 is an apocalyptic number.

It is an amenable number.

48997078157 is a deficient number, since it is larger than the sum of its proper divisors (1927603).

48997078157 is a wasteful number, since it uses less digits than its factorization.

48997078157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1927602.

The product of its (nonzero) digits is 35562240, while the sum is 65.

The spelling of 48997078157 in words is "forty-eight billion, nine hundred ninety-seven million, seventy-eight thousand, one hundred fifty-seven".