42787103550 has 48 divisors (see below), whose sum is σ = 110725591680. Its totient is φ = 10913811040.

The previous prime is 42787103549. The next prime is 42787103551. The reversal of 42787103550 is 5530178724.

It is an interprime number because it is at equal distance from previous prime (42787103549) and next prime (42787103551).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42787103551) 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, 6197580 + ... + 6204479.

It is an arithmetic number, because the mean of its divisors is an integer number (2306783160).

Almost surely, 2^42787103550 is an apocalyptic number.

42787103550 is an abundant number, since it is smaller than the sum of its proper divisors (67938488130).

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

42787103550 is a wasteful number, since it uses less digits than its factorization.

42787103550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12402097 (or 12402092 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 42.

The spelling of 42787103550 in words is "forty-two billion, seven hundred eighty-seven million, one hundred three thousand, five hundred fifty".