42977220091935 has 32 divisors (see below), whose sum is σ = 69243872302080. Its totient is φ = 22761349406208.

The previous prime is 42977220091903. The next prime is 42977220091937. The reversal of 42977220091935 is 53919002277924.

It is a happy number.

It is not a de Polignac number, because 42977220091935 - 2⁵ = 42977220091903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42977220091937) 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, 5974227 + ... + 11029316.

It is an arithmetic number, because the mean of its divisors is an integer number (2163871009440).

Almost surely, 2^{42977220091935} is an apocalyptic number.

42977220091935 is a deficient number, since it is larger than the sum of its proper divisors (26266652210145).

42977220091935 is a wasteful number, since it uses less digits than its factorization.

42977220091935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17004727.

The product of its (nonzero) digits is 17146080, while the sum is 60.

The spelling of 42977220091935 in words is "forty-two trillion, nine hundred seventy-seven billion, two hundred twenty million, ninety-one thousand, nine hundred thirty-five".