7948261020187 has 16 divisors (see below), whose sum is σ = 8065872214560. Its totient is φ = 7831489623552.

The previous prime is 7948261020173. The next prime is 7948261020191. The reversal of 7948261020187 is 7810201628497.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7948261020187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7948261020197) 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, 228256264 + ... + 228291082.

It is an arithmetic number, because the mean of its divisors is an integer number (504117013410).

Almost surely, 2^{7948261020187} is an apocalyptic number.

7948261020187 is a deficient number, since it is larger than the sum of its proper divisors (117611194373).

7948261020187 is a wasteful number, since it uses less digits than its factorization.

7948261020187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46782.

The product of its (nonzero) digits is 2709504, while the sum is 55.

The spelling of 7948261020187 in words is "seven trillion, nine hundred forty-eight billion, two hundred sixty-one million, twenty thousand, one hundred eighty-seven".