29977016461 has 16 divisors (see below), whose sum is σ = 35388817408. Its totient is φ = 24848694000.

The previous prime is 29977016437. The next prime is 29977016473. The reversal of 29977016461 is 16461077992.

It is a cyclic number.

It is not a de Polignac number, because 29977016461 - 2²³ = 29968627853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29977016399 and 29977016408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29977016261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 275236 + ... + 368386.

It is an arithmetic number, because the mean of its divisors is an integer number (2211801088).

Almost surely, 2^29977016461 is an apocalyptic number.

It is an amenable number.

29977016461 is a deficient number, since it is larger than the sum of its proper divisors (5411800947).

29977016461 is a wasteful number, since it uses less digits than its factorization.

29977016461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94672.

The product of its (nonzero) digits is 1143072, while the sum is 52.

The spelling of 29977016461 in words is "twenty-nine billion, nine hundred seventy-seven million, sixteen thousand, four hundred sixty-one".