674287799550 has 48 divisors (see below), whose sum is σ = 1744939566720. Its totient is φ = 171992249440.

The previous prime is 674287799501. The next prime is 674287799599. The reversal of 674287799550 is 55997782476.

It is an interprime number because it is at equal distance from previous prime (674287799501) and next prime (674287799599).

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97719420 + ... + 97726319.

It is an arithmetic number, because the mean of its divisors is an integer number (36352907640).

Almost surely, 2^674287799550 is an apocalyptic number.

674287799550 is an abundant number, since it is smaller than the sum of its proper divisors (1070651767170).

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

674287799550 is a wasteful number, since it uses less digits than its factorization.

674287799550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195445777 (or 195445772 counting only the distinct ones).

The product of its (nonzero) digits is 266716800, while the sum is 69.

The spelling of 674287799550 in words is "six hundred seventy-four billion, two hundred eighty-seven million, seven hundred ninety-nine thousand, five hundred fifty".