472777558450781 has 32 divisors (see below), whose sum is σ = 481279339699200. Its totient is φ = 464344909966080.

The previous prime is 472777558450759. The next prime is 472777558450789. The reversal of 472777558450781 is 187054855777274.

It is not a de Polignac number, because 472777558450781 - 2¹⁴ = 472777558434397 is a prime.

It is a super-2 number, since 2×472777558450781² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472777558450789) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36669314771 + ... + 36669327663.

It is an arithmetic number, because the mean of its divisors is an integer number (15039979365600).

Almost surely, 2^{472777558450781} is an apocalyptic number.

It is an amenable number.

472777558450781 is a deficient number, since it is larger than the sum of its proper divisors (8501781248419).

472777558450781 is a wasteful number, since it uses less digits than its factorization.

472777558450781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15869.

The product of its (nonzero) digits is 4302592000, while the sum is 77.

The spelling of 472777558450781 in words is "four hundred seventy-two trillion, seven hundred seventy-seven billion, five hundred fifty-eight million, four hundred fifty thousand, seven hundred eighty-one".