87764162503 has 4 divisors (see below), whose sum is σ = 88223660928. Its totient is φ = 87304664080.

The previous prime is 87764162461. The next prime is 87764162537. The reversal of 87764162503 is 30526146778.

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

It is a cyclic number.

It is not a de Polignac number, because 87764162503 - 2²¹ = 87762065351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87764562503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229748926 + ... + 229749307.

It is an arithmetic number, because the mean of its divisors is an integer number (22055915232).

Almost surely, 2^87764162503 is an apocalyptic number.

87764162503 is a deficient number, since it is larger than the sum of its proper divisors (459498425).

87764162503 is a wasteful number, since it uses less digits than its factorization.

87764162503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459498424.

The product of its (nonzero) digits is 1693440, while the sum is 49.

The spelling of 87764162503 in words is "eighty-seven billion, seven hundred sixty-four million, one hundred sixty-two thousand, five hundred three".