83770303761 has 15 divisors (see below), whose sum is σ = 125142246361. Its totient is φ = 55845132588.

The previous prime is 83770303751. The next prime is 83770303769. The reversal of 83770303761 is 16730307738.

The square root of 83770303761 is 289431.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 83770303761 - 2⁷ = 83770303633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83770303769) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 2588800 + ... + 2620958.

Almost surely, 2^83770303761 is an apocalyptic number.

83770303761 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

83770303761 is the 289431-st square number.

83770303761 is the 144716-th centered octagonal number.

It is an amenable number.

83770303761 is a deficient number, since it is larger than the sum of its proper divisors (41371942600).

83770303761 is an frugal number, since it uses more digits than its factorization.

83770303761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64330 (or 32162 counting only the distinct ones).

The product of its (nonzero) digits is 444528, while the sum is 45.

The spelling of 83770303761 in words is "eighty-three billion, seven hundred seventy million, three hundred three thousand, seven hundred sixty-one".