854078157 has 6 divisors (see below), whose sum is σ = 1233668462. Its totient is φ = 569385432.

The previous prime is 854078153. The next prime is 854078161. The reversal of 854078157 is 751870458.

It is a happy number.

854078157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (854078153) and next prime (854078161).

It can be written as a sum of positive squares in only one way, i.e., 440118441 + 413959716 = 20979^2 + 20346^2 .

It is not a de Polignac number, because 854078157 - 2² = 854078153 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (854078153) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47448778 + ... + 47448795.

Almost surely, 2^854078157 is an apocalyptic number.

It is an amenable number.

854078157 is a deficient number, since it is larger than the sum of its proper divisors (379590305).

854078157 is a wasteful number, since it uses less digits than its factorization.

854078157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94897579 (or 94897576 counting only the distinct ones).

The product of its (nonzero) digits is 313600, while the sum is 45.

The square root of 854078157 is about 29224.6156005515. The cubic root of 854078157 is about 948.7807653529.

The spelling of 854078157 in words is "eight hundred fifty-four million, seventy-eight thousand, one hundred fifty-seven".