87249074950 has 12 divisors (see below), whose sum is σ = 162283279500. Its totient is φ = 34899629960.

The previous prime is 87249074929. The next prime is 87249074951. The reversal of 87249074950 is 5947094278.

It is a super-2 number, since 2×87249074950² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 87249074891 and 87249074900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87249074951) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 872490700 + ... + 872490799.

It is an arithmetic number, because the mean of its divisors is an integer number (13523606625).

Almost surely, 2^87249074950 is an apocalyptic number.

87249074950 is a deficient number, since it is larger than the sum of its proper divisors (75034204550).

87249074950 is a wasteful number, since it uses less digits than its factorization.

87249074950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1744981511 (or 1744981506 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 55.

The spelling of 87249074950 in words is "eighty-seven billion, two hundred forty-nine million, seventy-four thousand, nine hundred fifty".