28766377074 has 16 divisors (see below), whose sum is σ = 60560794080. Its totient is φ = 9084119040.

The previous prime is 28766377069. The next prime is 28766377091. The reversal of 28766377074 is 47077366782.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126168207 + ... + 126168434.

It is an arithmetic number, because the mean of its divisors is an integer number (3785049630).

Almost surely, 2^28766377074 is an apocalyptic number.

28766377074 is an abundant number, since it is smaller than the sum of its proper divisors (31794417006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28766377074 is a wasteful number, since it uses less digits than its factorization.

28766377074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252336665.

The product of its (nonzero) digits is 16595712, while the sum is 57.

The spelling of 28766377074 in words is "twenty-eight billion, seven hundred sixty-six million, three hundred seventy-seven thousand, seventy-four".