28776700701 has 48 divisors (see below), whose sum is σ = 48770916480. Its totient is φ = 16010167680.

The previous prime is 28776700657. The next prime is 28776700703. The reversal of 28776700701 is 10700767782.

It is a happy number.

It is not a de Polignac number, because 28776700701 - 2⁷ = 28776700573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28776700703) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 404515 + ... + 470303.

It is an arithmetic number, because the mean of its divisors is an integer number (1016060760).

Almost surely, 2^28776700701 is an apocalyptic number.

28776700701 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

28776700701 is a deficient number, since it is larger than the sum of its proper divisors (19994215779).

28776700701 is a wasteful number, since it uses less digits than its factorization.

28776700701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65986 (or 65983 counting only the distinct ones).

The product of its (nonzero) digits is 230496, while the sum is 45.

The spelling of 28776700701 in words is "twenty-eight billion, seven hundred seventy-six million, seven hundred thousand, seven hundred one".