28077141477 has 32 divisors (see below), whose sum is σ = 46746077184. Its totient is φ = 14562907200.

The previous prime is 28077141413. The next prime is 28077141541. The reversal of 28077141477 is 77414177082.

It is an interprime number because it is at equal distance from previous prime (28077141413) and next prime (28077141541).

It is not a de Polignac number, because 28077141477 - 2⁶ = 28077141413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28077141277) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55527 + ... + 243387.

It is an arithmetic number, because the mean of its divisors is an integer number (1460814912).

Almost surely, 2^28077141477 is an apocalyptic number.

It is an amenable number.

28077141477 is a deficient number, since it is larger than the sum of its proper divisors (18668935707).

28077141477 is a wasteful number, since it uses less digits than its factorization.

28077141477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188529.

The product of its (nonzero) digits is 614656, while the sum is 48.

The spelling of 28077141477 in words is "twenty-eight billion, seventy-seven million, one hundred forty-one thousand, four hundred seventy-seven".