87246144164278 has 16 divisors (see below), whose sum is σ = 142766568045504. Its totient is φ = 39657296500360.

The previous prime is 87246144164237. The next prime is 87246144164353.

87246144164278 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×87246144164278² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30779001 + ... + 33493867.

It is an arithmetic number, because the mean of its divisors is an integer number (8922910502844).

Almost surely, 2^{87246144164278} is an apocalyptic number.

87246144164278 is a deficient number, since it is larger than the sum of its proper divisors (55520423881226).

87246144164278 is a wasteful number, since it uses less digits than its factorization.

87246144164278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4175627.

The product of its digits is 115605504, while the sum is 64.

The spelling of 87246144164278 in words is "eighty-seven trillion, two hundred forty-six billion, one hundred forty-four million, one hundred sixty-four thousand, two hundred seventy-eight".