7743897054 has 16 divisors (see below), whose sum is σ = 17208660240. Its totient is φ = 2581299000.

The previous prime is 7743897041. The next prime is 7743897097. The reversal of 7743897054 is 4507983477.

7743897054 is a `hidden beast` number, since 77 + 438 + 97 + 0 + 54 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 143405501 = 7743897054 / (7 + 7 + 4 + 3 + 8 + 9 + 7 + 0 + 5 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71702697 + ... + 71702804.

It is an arithmetic number, because the mean of its divisors is an integer number (1075541265).

Almost surely, 2^7743897054 is an apocalyptic number.

7743897054 is an abundant number, since it is smaller than the sum of its proper divisors (9464763186).

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

7743897054 is a wasteful number, since it uses less digits than its factorization.

7743897054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143405512 (or 143405506 counting only the distinct ones).

The product of its (nonzero) digits is 5927040, while the sum is 54.

The square root of 7743897054 is about 87999.4150776015. The cubic root of 7743897054 is about 1978.4262103888.

The spelling of 7743897054 in words is "seven billion, seven hundred forty-three million, eight hundred ninety-seven thousand, fifty-four".