28934379000 has 384 divisors, whose sum is σ = 99911448000. Its totient is φ = 7551360000.

The previous prime is 28934378989. The next prime is 28934379011. The reversal of 28934379000 is 97343982.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28934378989) and next prime (28934379011).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 126350886 + ... + 126351114.

Almost surely, 2^28934379000 is an apocalyptic number.

28934379000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28934379000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49955724000).

28934379000 is an abundant number, since it is smaller than the sum of its proper divisors (70977069000).

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

28934379000 is a wasteful number, since it uses less digits than its factorization.

28934379000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496 (or 479 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The spelling of 28934379000 in words is "twenty-eight billion, nine hundred thirty-four million, three hundred seventy-nine thousand".