28076157 has 6 divisors (see below), whose sum is σ = 40554462. Its totient is φ = 18717432.

The previous prime is 28076143. The next prime is 28076171. The reversal of 28076157 is 75167082.

It is an interprime number because it is at equal distance from previous prime (28076143) and next prime (28076171).

It can be written as a sum of positive squares in only one way, i.e., 19660356 + 8415801 = 4434^2 + 2901^2 .

It is not a de Polignac number, because 28076157 - 2¹² = 28072061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28076137) 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, 1559778 + ... + 1559795.

It is an arithmetic number, because the mean of its divisors is an integer number (6759077).

Almost surely, 2^28076157 is an apocalyptic number.

It is an amenable number.

28076157 is a deficient number, since it is larger than the sum of its proper divisors (12478305).

28076157 is a wasteful number, since it uses less digits than its factorization.

28076157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3119579 (or 3119576 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 28076157 is about 5298.6938956690. The cubic root of 28076157 is about 303.9339545178.

The spelling of 28076157 in words is "twenty-eight million, seventy-six thousand, one hundred fifty-seven".