83772264499 has 24 divisors (see below), whose sum is σ = 106960713408. Its totient is φ = 64876548240.

The previous prime is 83772264481. The next prime is 83772264547. The reversal of 83772264499 is 99446227738.

It is a happy number.

It is not a de Polignac number, because 83772264499 - 2⁷ = 83772264371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83772264409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 388897 + ... + 564610.

It is an arithmetic number, because the mean of its divisors is an integer number (4456696392).

Almost surely, 2^83772264499 is an apocalyptic number.

83772264499 is a deficient number, since it is larger than the sum of its proper divisors (23188448909).

83772264499 is a wasteful number, since it uses less digits than its factorization.

83772264499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953695 (or 953688 counting only the distinct ones).

The product of its digits is 36578304, while the sum is 61.

The spelling of 83772264499 in words is "eighty-three billion, seven hundred seventy-two million, two hundred sixty-four thousand, four hundred ninety-nine".