35747223561 has 64 divisors (see below), whose sum is σ = 63771801600. Its totient is φ = 19333080000.

The previous prime is 35747223557. The next prime is 35747223581. The reversal of 35747223561 is 16532274753.

35747223561 is a `hidden beast` number, since 3 + 574 + 7 + 2 + 23 + 56 + 1 = 666.

It is not a de Polignac number, because 35747223561 - 2² = 35747223557 is a prime.

It is a super-2 number, since 2×35747223561² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (35747223581) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4200811 + ... + 4209311.

It is an arithmetic number, because the mean of its divisors is an integer number (996434400).

Almost surely, 2^35747223561 is an apocalyptic number.

It is an amenable number.

35747223561 is a deficient number, since it is larger than the sum of its proper divisors (28024578039).

35747223561 is a wasteful number, since it uses less digits than its factorization.

35747223561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9707 (or 9701 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 45.

The spelling of 35747223561 in words is "thirty-five billion, seven hundred forty-seven million, two hundred twenty-three thousand, five hundred sixty-one".