101958628027 has 4 divisors (see below), whose sum is σ = 102097726480. Its totient is φ = 101819529576.

The previous prime is 101958627973. The next prime is 101958628043. The reversal of 101958628027 is 720826859101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101958628027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101958668027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69548127 + ... + 69549592.

It is an arithmetic number, because the mean of its divisors is an integer number (25524431620).

Almost surely, 2^101958628027 is an apocalyptic number.

101958628027 is a deficient number, since it is larger than the sum of its proper divisors (139098453).

101958628027 is an equidigital number, since it uses as much as digits as its factorization.

101958628027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139098452.

The product of its (nonzero) digits is 483840, while the sum is 49.

The spelling of 101958628027 in words is "one hundred one billion, nine hundred fifty-eight million, six hundred twenty-eight thousand, twenty-seven".