28977676 has 24 divisors (see below), whose sum is σ = 62414240. Its totient is φ = 11463552.

The previous prime is 28977661. The next prime is 28977691. The reversal of 28977676 is 67677982.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28977661) and next prime (28977691).

It is a Harshad number since it is a multiple of its sum of digits (52).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39441 + ... + 40168.

Almost surely, 2^28977676 is an apocalyptic number.

28977676 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

28977676 is an abundant number, since it is smaller than the sum of its proper divisors (33436564).

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

28977676 is a wasteful number, since it uses less digits than its factorization.

28977676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79633 (or 79631 counting only the distinct ones).

The product of its digits is 1778112, while the sum is 52.

The square root of 28977676 is about 5383.0916767226. The cubic root of 28977676 is about 307.1528273876.

The spelling of 28977676 in words is "twenty-eight million, nine hundred seventy-seven thousand, six hundred seventy-six".