28902638764998 has 48 divisors (see below), whose sum is σ = 64355155534800. Its totient is φ = 9367958795328.

The previous prime is 28902638764997. The next prime is 28902638765027. The reversal of 28902638764998 is 89946783620982.

28902638764998 is a `hidden beast` number, since 2 + 8 + 9 + 0 + 26 + 38 + 76 + 499 + 8 = 666.

It is a super-2 number, since 2×28902638764998² (a number of 28 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (81) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28902638764991) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12523548 + ... + 14650751.

It is an arithmetic number, because the mean of its divisors is an integer number (1340732406975).

Almost surely, 2^{28902638764998} is an apocalyptic number.

28902638764998 is an abundant number, since it is smaller than the sum of its proper divisors (35452516769802).

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

28902638764998 is a wasteful number, since it uses less digits than its factorization.

28902638764998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27175941 (or 27175938 counting only the distinct ones).

The product of its (nonzero) digits is 4514807808, while the sum is 81.

The spelling of 28902638764998 in words is "twenty-eight trillion, nine hundred two billion, six hundred thirty-eight million, seven hundred sixty-four thousand, nine hundred ninety-eight".