102012877404 has 18 divisors (see below), whose sum is σ = 257865884640. Its totient is φ = 34004292456.

The previous prime is 102012877399. The next prime is 102012877423. The reversal of 102012877404 is 404778210201.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 2833691039 = 102012877404 / (1 + 0 + 2 + 0 + 1 + 2 + 8 + 7 + 7 + 4 + 0 + 4).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1416845484 + ... + 1416845555.

It is an arithmetic number, because the mean of its divisors is an integer number (14325882480).

Almost surely, 2^102012877404 is an apocalyptic number.

It is an amenable number.

102012877404 is an abundant number, since it is smaller than the sum of its proper divisors (155853007236).

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

102012877404 is a wasteful number, since it uses less digits than its factorization.

102012877404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2833691049 (or 2833691044 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The spelling of 102012877404 in words is "one hundred two billion, twelve million, eight hundred seventy-seven thousand, four hundred four".